Hey class. I started a podcast so I can fit in in Denver/Brooklyn/San Francisco. It's about really remote places and why and how people actually live in really remote places. The whole first season is about Pitcairn--this tiny island of 50 people in the South Pacific which is technically part of the UK. It's at least 3/4 as interesting. Listen to it at ExtremitiesPodcast.com or on all major podcasting apps... or else.
Just a detail that bother me you wrote km/h ap kph whitch mean absolutely nothing. If you could write it properly from now on it will be great. Cordially, a metric system's user.
Angel probably not, considering the direction it went, if they made the test during the day, it would go towards the sun, suns gravity may have (probably did) changed its direction or maybe it crashed to the sun. Also the atmospheric drag of earth probably slowed it down so much that it couldnt reach escape velocity. But what you said still has a chance.
Angel Nah, not out of the solar system. It was only going 6x Earths escape velocity, it would follow the earths orbit path around the sun pretty closely, most likely.
Arca İpekyün It could possibly go toward the sun, but it wouldn’t hit it. The earth is going so fast around the sun that the manhole cover would probably just end up going in an slightly smaller elliptical path around the sun. To actually hit the sun, you need to basically stop all of your velocity around it, and then fall straight into it.
Even if it did get out of the atmosphere, and retained escape speed, which it almost certainly didn't since atmospheric drag at mach 150 is a bitch, it would have been heated to a ball of molten iron at least, possibly a puff of gas, which would condense into a random blob of metal. The aliens wouldn't even identify it as an artificially made object as it would be a randomly shaped wad of iron, and there are a lot of randomly shaped wads of iron out there.
What if aliens found it and took it to be some sort of important relic? Imagine they trace it back to it's launch site, land on earth, and ask "Where can we find the Holy City of Neenah, Wisconsin?"
It would probably launch straight through their planet into the core because due to things not slowing down in zero gravity the manhole cover is still probably going mach fuck
Monark Roy they could find a satellite and still be confused. It's not like finding human creations is an expected event that happens in space... is it?
Engineers: We put our blood, sweat, and tears, as well as our life experience into making this super fast plane. usa: bro watch what happens when we nuke the shit out of a metal disk
Imagine what number of Gs the manhole cover would have experienced, having been accelerated to a speed of 66km/s almost instantaneously. Assuming that it was accelerated to its maximum velocity in only a millisecond, it would have endured a force of 6,720,771 G (6.7 million G). At this rate of acceleration, the 900 kg manhole would have weighed around 6,048,693,900 kg (6 million tons) during acceleration.
So I did some very basic calculations on what the speed of the man whole might have been knowing that the energy produced my the fat man bomb was about 15 kilotons of tnt convert that to lbft of energy and then calculate the weight of the manhole cover and convert that into grains and then put that into a muzzle velocity calculator and it said it was going about 129000 mph but that all depends on how strong the bomb was could have been bigger or smaller than the fatman
I find it hilarious that our top engineers, scientist, and military experts thought it would be able to contain the explosion of a nuclear bomb explosion
They thought the concrete plug would contain the blast, not the manhole cover. While incorrect, it wasn't an entirely unreasonable assumption. All of the ones after that (of which there have been hundreds) have been so contained.
This is the exact reason why extraterrestrial life has yet to be found by inferior earthlings... 😏 They ran for cover immediately, once they realized that they were out gunned by the weird blue planet 🌏 Furthermore, we unwillingly gave them multiple decades of head start... We'll not catch up with them for a good while 😅
"Report 274 : Humans have started to create weapons that could end up troublesome if used on us, they have tested the weapons a couple of times... They just tested the weapon again but underground this time... HOLY SHIT WHAT IS TH- *gets impaled by thicc iron Boi*"
Aliens: "What was the first thing to make it off your planet?" Man: "Accidentally? A circular 4inch thick slab of iron." Aliens: "Accidentally? The fuck? How do you accidentally make it off your planet?"
*more like: *Soviet Space Program: in 1957*: We launching Sputnik-1 into space! *US Military*: Hold my manhole cover The manhole cover shoots into space at 6x of the escape velocity and no knows where it is
All these jokes are so wrong... if someone was holding our manhole cover we'd know where it is :P My terrible jokes are at least on par with HAI... maybe worse!
When I was a little kid I always said “... H I J K Elmo Pee Q R S...” instead of the correct letters because I thought the alphabet was intentionally written to sound like that.
Already knew about the manhole cover so the most surprising thing I've learned from this video is that there were 1000 FPS cameras in 1957... just wow! How do you even manage to get something on film with that short of an exposure time?!
1/1000s exposure time is something even good consumer grade analog cameras could do. Apart from that: the brighter the light, the shorter the exposure time. And I'd say they had the bright light thing covered here.
@@jcxz983 Good try but you don't have much of a point. 65 years ago 1/1000s is nothing "even good consumer grade analog cameras could do", and you entirely forget that the higher the light intensity, the easier it can ruin the entire film because the dynamic range of film is crap, so unless you use a lot of different cameras and composit them together, you point your "average consumer grade analog camera" at the flash of a nuke, and you have a ruined film.
@@dmitripogosian5084 There's the physical shutter speed of the camera, which is entirely not the issue, and then there is the film material, which is. You can't expose your regular run-of-the-mill 400 ISO Kodak to a 1/1000s shutter and expect it to make a picture.
An interesting thing to have calculated and put in the video is a rough idea of how far away the manhole cover would be today if nothing stopped it’s momentum
Considering it was the first thing shot in to space and did so at all the velocity a nuclear bomb could put it to I kinda thought that was agiven... but yes, assuming it hasn't encountered the sun yet.
*New Horizons: "We launched a rocket at a velocity of 36,000mph."* *Nuclear Bomb Researchers: "...hold our Man-hole cover. Well, on second thought, you probably shouldn't."*
@@axlelijah2327 4 INCH (10.16 cm) thick. Assuming steel's density to be 8000 kg/m^3, pi to be 22/7 and the manhole cover to be 1 meter across: (22/7)*(1/2)²*(0.1016)*8000~638.63 kg
@@gmodiscool14 Yeah, it is one of the better tasting human juices. Not a fan of the yellow or white juices. Green human juice just smells weird. And the purple one doesn't even come from humans.
One thing to think about is that the manhole cover was probably warped into a teardrop shape from the friction of it moving through our atmosphere that quickly. So no there isnt a manhole cover flying through space, but the warped piece of metal could be.
Meanwhile in another planet: "We found this round dish with words in a language we don't understand yet. Its made out of iron and it also emits radiation"
The manhole cover would not have been exposed to any radioactive material. The vaporized concrete pushed it out of the way before any fallout could be spread.
@@dannypipewrench533 I'm fairly certain that if the concrete was indeed turned into a gas by the radiation pressure... then that man hole cover got enough neutron and gamma radiation to keep it in active decay for quite some time...
@@andersjjensen First off, I am going to ask you if you know a lot in this field. I am not saying that you do not, and I am not going to ignore your arguments if you are not an expert. But, I would like to know if you are, because then I can save us both some trouble and not make a ridiculously simple argument with my limited knowledge. With that said, and this may be a false assumption, but I have to believe that vaporized concrete would be an incredibly thick gas, and since it is mostly dirt, rock, and sand, would be a decent, but not total, radiation shield.
@@dannypipewrench533 I am by no means an expert. However, while a 2m concrete plug at the bottom of a, presumably, quite deep well, is obviously going to create a quite dense gas, by atmospheric standards, I don't think it will provide nearly the same radiation protection, once expanded to the available volume, as the concrete plug would in its pre-vaporized form. And 2m of solid concrete is not nearly enough to shield against neutron and gamma radiation from a nuclear detonation, even some distance away. Sure, alpha and beta radiation should get absorbed relatively well. But fast neutrons and gamma rays have pretty potent penetrating powers. Which is why light water reactors, despite operating at (hopefully!) much less peek power than a nuke, use some 15m of water to stop the critters from barbecuing everything in sight. I'm not saying the man hole cover would literally be glowing in the dark, but I'm 100% that a Geiger counter would sound like static if held next to it :P
@@andersjjensen So, yeah, the neutrons would probably get through just fine. But only they would cause the cover to become radioactive. My question, though, is would the cover emit enough energy to be harmful afterward? Side note: I went on a tour of Idaho State University, and got to walk up to their nuclear reactor. It was a 5 Watt reactor, and was low enough heat to not have a cooling system. The fuel blocks were one foot wide disks, and the reactor casing was about a yard wide, filled with water. The disks stacked on each other were about six inches tall.
The_Hinterland tell me about it, also the stupid Nobody: Then some stupid shit, it’s so damn annoying. And the hotel: trivago comments are also annoying. Basically TH-cam’s comments are running in an loop
Imagine you're an alien, and You're cruising along in interstellar space with your shields down to conserve power, and suddenly you hear a *_THWAM_* as some piece of space debris was apparently going fast enough to imbed itself in your hull. You go check what it was, and you find a disc covered in alien symbols that was apparently hurtling through space at a good clip. There's a slight chance that manhole cover is on an alien's wall.
by far my new favorite fun fact is that the first object launched into space is unknown, because it may have been a 4" thick manhole cover launched at 125,000 mph by a nuclear bomb test. so thank you for that information!
That rocket car... They deliberately capped it at 763 because 767 is the sound barrier and WHO KNOWS what would happen if you break the sound barrier on wheels!?
I'm guessing it would have very quickly burned up in the atmosphere due to friction, but it's fun to think that somewhere out in space, a tiny puck of frozen iron that used to be a manhole cover might be whizzing away from us into deep space.
Alien Captain: Sir! Our flag ship's Hull has been badly damaged by some kind of high speed moving projectile coming from the planet "Earth"! Alien Warlord: Could it be? The Humans perfected orbital railgun defense?! Their technological advancements might not be as primitive as we thought... Alien Captain: Should we continue the invasion? Alien Warlord: No, call it off. We might've underestimated the Humans and that might just be a warning shot, who knows what they'll unleash. *Meanwhile on Earth* Human: Anyone see where that manhole cover flew off to? Hopefully it didn't land on someone's head.
Imagine the embarrassment factor, when, from a manned space station, the guys at mission control get a message: "uhh, we've just encountered a hull-breach, appears to be from a man-hole cover!"
a half oz piece of debris travelling at 15,000mph will leave a foot wide, 5 inch deep crater in a solid chunk of aluminum... now imagine what a 250lb manhole cover travelling at 100,000+mph would do... there would be no more space station, just a cloud of dust where it used to be...
At 125k miles an hour, that manhole cover would have reached space in nearly 2.5 seconds... even if it lost some speed, there's no way it didn't make it to space.
The compression heat was extremely high. Many people, including Dr Brownlee who calculated the speed of the manhole, don't believe it made it to space.
@@nolategame6367 I don't know if Germany did send them to space, but the US captured V2 rockets after the end of the war, and they used them to take the first pictures of Earth from space
Defeating Thanos with a literal nuke-propelled cannon would have been pretty epic to be honest. I imagine him saying his "I am inevitable" line just before being smacked with a chunk of steel moving faster than the Earth's escape velocity.
This actually came up on my live stream a few weeks ago. We have a member of the panel who is retired NASA with astronomy and orbital mechanics degrees. They did the math stuff and we came to two possible outcomes. First it is still in solar system somewhere in the Ort Cloud or burned up in the sun. It all depends on time of "Launch".
_wow, you’re use of the no one template was so funny and original, I’m actually on the verge of exhaling in small bursts and Laughing Out Loud, here’s your 1’000 internet points, you absolute comedy genius, funny and the haha is what this comment is._
@@saltysnowboi well, your sarcastic commentary does, indeed, hurt my pitiful, brittle self-esteem and need for validation BUT you did misspell one of the most used and easiest words in English with "you're" instead of "your". The internet rules, hereby, dictate that YOUR argument is invalid.
joshua vance i like this best. It didn't actually split them itself it just crashed into an object juuussst hard enough to set the whole thing in motion.
If people were smart they would capitalize on this and turn this into an actual functioning weapon, just scaled down Edit: Wait that's literally just a gun
Except we could probably control the blast and finally have a way for nuclear-powered space weapons. I mean come on itd be catastrophic how much shit that manhole cover could do
*Meanwhile in an Alternate Univese where this experiment never happened* NASA Employee: *Sips Coffee* NASA Employee: *Head gets decapitated by a Los Vegas manhole cover.*
@Rocket Man Nah just launch it at an angel to get a gravity assist at mars cuving its orbital path just enough to have it reenter the Earth's sphere of influence and colliding with Sputnik...
Why hasn't the government released the underground nuclear explosion video? Probably because they accidently awoke godzilla and wanted to keep it a secret.
Imagine in an alternate universe sputnik and this happened on the same day, and after all the work a capitalist manhole cover smashed your nation's pride at at mach 162
Saxxony Ger hey. Hey. Hey. Hey. Hey. No reason to be an asshole. It’s only trump and other dumbasses that give us the bad rap. I don’t think all Germans are beer drinking, mentally unstable, cheery war crime committers, and yet, I find that you less capable of recognizing stereotypes than the “dumbass Americans” you mock.
If the atmosphere "ends" and space begins at 62 miles high, it only took 2 seconds to escape, probably not enough time to melt from the friction of air, and at 6X the velocity to escape, it probably sailed off into space.
It is similar to an iron object entering the atmosphere from above. It just explodes. 55km/s is about 2x faster than typical entry velocity of a meteoroid, and if it immediately finds itself in the densest layer of the atmosphere, the outcome can be only kaboom. It is like hitting a wall. No space travel possible, at least not in one piece. Small "shotgun" debris could still have the escape velocity, though.
@@Edi_J nope. The atmosphere starts out at high density, and gets lower, and it's trajectory is vertical, (leaving earth) objects entering earths atmosphere are travelling anywhere from 11km/sec to 72km/sec, and rarely travel perpendicular to earth's surface, giving them time to go from an extremely cold vacuum enviroment, to super heated (relatively) oxygen rich enviroment (which is why they burn/explode, from heat) The opposite is true when launch from earth, a thick slab of iron is not getting vaporized by a thinning atmosphere in less than two seconds. The air resistance _decreases_ traveling away from earth, and a cold, vacuum stops stuff from burning.
@@jamesgeorge4874 I highly doubt it, at the estimated speed, the air in front of the cover is not moving out of the way, it is building up and compressing in front of the cover, once that air has reached is maximum compressibility, it will begin to sheer over the sides into undisturbed air, the amount of kinetic energy being released at the edge would literally turn it to plasma, well in excess of 30,000' Celsius, at those temps, iron doesn't just melt, it evaporates, instantaneously.
What if the experiment had happened a month later and the manhole cover had struck Sputnik ? That would've been the most hilarious thing ever ! USSR would've sent the first satellite into space and then it would've been destroyed by a manhole cover that would've been the first anti-satellite weapon ever...
Hey class. I started a podcast so I can fit in in Denver/Brooklyn/San Francisco. It's about really remote places and why and how people actually live in really remote places. The whole first season is about Pitcairn--this tiny island of 50 people in the South Pacific which is technically part of the UK. It's at least 3/4 as interesting. Listen to it at ExtremitiesPodcast.com or on all major podcasting apps... or else.
Half as Interesting, did you forget about Voyager 1?
I love your podcast BTW.
The first object to orbit earth was sputnik, not first in space. That goes to the germans in WWII with there V2 rocket
Just a detail that bother me you wrote km/h ap kph whitch mean absolutely nothing. If you could write it properly from now on it will be great. Cordially, a metric system's user.
Travelling at 34mps?? That can cook a chicken
I find it hilarious that it is actually possible that a manhole cover left the solar system before Voyager did.
Indeed it is
I wonder if something will find it someday 🤔
Angel probably not, considering the direction it went, if they made the test during the day, it would go towards the sun, suns gravity may have (probably did) changed its direction or maybe it crashed to the sun. Also the atmospheric drag of earth probably slowed it down so much that it couldnt reach escape velocity. But what you said still has a chance.
Angel
Nah, not out of the solar system. It was only going 6x Earths escape velocity, it would follow the earths orbit path around the sun pretty closely, most likely.
Arca İpekyün
It could possibly go toward the sun, but it wouldn’t hit it. The earth is going so fast around the sun that the manhole cover would probably just end up going in an slightly smaller elliptical path around the sun. To actually hit the sun, you need to basically stop all of your velocity around it, and then fall straight into it.
6x earth’s escape velocity
not 6x sun’s escape velocity
Humans: how did you find us!?
Alien: *angrily returning manhole cover and pointing to damage on his ship*
Black turbine unless they have energy shields with many layers that would plow right through em like a knife through butter
@@DarknessXER nope they will probably just whoosh right over it like this joke
@Black turbine Well played mate.
Thats why you need insurance
@@flurry2694 The alien corporation will just chock it up to "an act of god"
imagine a space war being started because a random manhole cover smacked into an alien spaceship. now that would be a movie plot.
Arcane Furor
Funny, I was just discussing that possibility.
I'm on it lol
Make this happen call Micheal Bay
Even if it did get out of the atmosphere, and retained escape speed, which it almost certainly didn't since atmospheric drag at mach 150 is a bitch, it would have been heated to a ball of molten iron at least, possibly a puff of gas, which would condense into a random blob of metal. The aliens wouldn't even identify it as an artificially made object as it would be a randomly shaped wad of iron, and there are a lot of randomly shaped wads of iron out there.
@@medexamtoolscom
So no space war?
What if aliens found it and took it to be some sort of important relic? Imagine they trace it back to it's launch site, land on earth, and ask "Where can we find the Holy City of Neenah, Wisconsin?"
Underrated comment.
It would probably launch straight through their planet into the core because due to things not slowing down in zero gravity the manhole cover is still probably going mach fuck
@@PinkmanbutawesomeI take it you also saw the "mach fuck" meme about this topic the other day as well. Lol
Ah, the legend of TMNT, plus that rat.
@@johnwray393that meme is what brought me here haha
Imagine if aliens found the manhole cover floating out there, emitting radiation, instead of one of the voyager probes.
lol this made me laugh!
Now that you said, It acctually is more likely that the manhole is find than the voyager, because of the radiation.
@@dinamosflams voyager probes use plutonium radioisotope thermoelectric generators too
Hahaha, I was thinking exactly this 😆
Hendricks M. *Some alien that has seen Chernobyl somehow:* "3.6 Röntgen not great but not terrible."
So the manhole cover was basically a nuclear cannon.
Yes
*bullet
0000000 0000000 ** projectile
Some aliens are gonna find a manhole cover that's covered in radiation in the middle of Bumf$%k nowehere space and they will be so confused.
Monark Roy they could find a satellite and still be confused. It's not like finding human creations is an expected event that happens in space... is it?
Engineers: We put our blood, sweat, and tears, as well as our life experience into making this super fast plane.
usa: bro watch what happens when we nuke the shit out of a metal disk
Lmao
Planes aren’t even the fastest thing behind the manhole.
Imagine if the metal disk struck a plane on its way up and just continued going
@@potato1341 Terrorist attacks.
Of course America is the one place where they literally make a Nuclear Gun out of their own land.
Imagine what number of Gs the manhole cover would have experienced, having been accelerated to a speed of 66km/s almost instantaneously. Assuming that it was accelerated to its maximum velocity in only a millisecond, it would have endured a force of 6,720,771 G (6.7 million G). At this rate of acceleration, the 900 kg manhole would have weighed around 6,048,693,900 kg (6 million tons) during acceleration.
Wow that's almost as heavy as your mom
@@maxscott3349 bro was 4 months late and still went for it 😂😂😂😂
And the fact that it was likely accelerated in a time far shorter than a full millisecond is just… insane
So I did some very basic calculations on what the speed of the man whole might have been knowing that the energy produced my the fat man bomb was about 15 kilotons of tnt convert that to lbft of energy and then calculate the weight of the manhole cover and convert that into grains and then put that into a muzzle velocity calculator and it said it was going about 129000 mph but that all depends on how strong the bomb was could have been bigger or smaller than the fatman
aka Gentle Push
Imagine in like 100 years, humans are in the first interstellar space travel mission and then they just get hit by a middle disc from the 1950s.
First time I've seen someone misspell metal as middle. Wow.
If we believe that our galaxy can't make things orbit around it, then no way can that happen
@@Etelvinicius I have seen someone misspell "his" as "hease". *Everything is possible.*
@@Etelvinicius i misspelled normal as bornak
@@ducksongfans That's not normal...
NASA: "You're burning."
Manhole Cover: "I ain't got time to burn"
Hahaha😂😂
ain’t nobody got time for dat
@@drater6027 holy shit this is cringe on so many levels
Rose Easton that’s the point lol
@Jacob Bennett pee pee poo poo
When you look at earth patch notes:
- Fixed Manhole cover instantaneously dissapearing
Dont wanna be that guy but "disappearing"
-Fixed Manhole cover glitching out at high velocities and dissapering
@@anduro7448 no thats... Thats worse. How did you spell it wrong after i already spelled it out correctly?!
@@luukvanoijen7082 DIsapreing
@@anduro7448 okay
I find it hilarious that our top engineers, scientist, and military experts thought it would be able to contain the explosion of a nuclear bomb explosion
I don't think that they did, they just wanted to see what would happen. After all, they did have a camera on the surface
They thought the concrete plug would contain the blast, not the manhole cover. While incorrect, it wasn't an entirely unreasonable assumption. All of the ones after that (of which there have been hundreds) have been so contained.
Human is monke after all 😂
Why make railguns and laser guns when you can just make a "nuclear bomb-powered manhole launcher"?
NBPML is the future
NBPML is the name of my band
@@thecosmickitten4452 NPML
ICBMs? No
B2-Spirits? No
Manholes? Yes
It's called theft Project Orion.
This sounds like a great idea for a fallout mod.
Imagine some alien spaceship getting a manhole armor piercings round through its hull
This is the exact reason why extraterrestrial life has yet to be found by inferior earthlings... 😏 They ran for cover immediately, once they realized that they were out gunned by the weird blue planet 🌏
Furthermore, we unwillingly gave them multiple decades of head start... We'll not catch up with them for a good while 😅
@@allan3908 I mean, they could've used the manhole cover as cover
"Report 274 : Humans have started to create weapons that could end up troublesome if used on us, they have tested the weapons a couple of times... They just tested the weapon again but underground this time... HOLY SHIT WHAT IS TH- *gets impaled by thicc iron Boi*"
Wtf did you say I couldn't understand a thing
@@HandledToaster2 he meant imagine if the manhole cover went through a alien spaceship he just used a lot of fancy words making it confusing.
"Hey, I'm a nuclear researcher and this is a nuke in a sewer, AND THIS IS JACKASS!!"
TheRossionFan lmao I wanna see that
🤣🤣😂😂
Ten ten ten den den.... den den den TUM TUM TUM
Now wait a minu- KABLAAAAAAAM
They would have said and this is Chernobyl Sewer!
Aliens: "What was the first thing to make it off your planet?"
Man: "Accidentally? A circular 4inch thick slab of iron."
Aliens: "Accidentally? The fuck? How do you accidentally make it off your planet?"
Man then grabs a shot glass, bottle of liquor, and says "couldnt let those commies beat us"
Man: "i'm sure your planet also had a madman who accidentally put too much gunpowder into his cannon. Well, pretty much that..."
Santa, god, aliens and all the other fake stuff: WTF was that. lol.
Good ol’ murica science!
This sounds like a HASO post from Tumblr lol.
*Elon* : I launched a car into space
*US military* : Hold my manhole cover
@Mass Debater dont spoil his fun st00pid
TH-cam comments suck
@Mass Debater Your deadness sucks. Like what is dead meme? It has no meaning defined.
*more like:
*Soviet Space Program: in 1957*:
We launching Sputnik-1 into space!
*US Military*: Hold my manhole cover
The manhole cover shoots into space at 6x of the escape velocity and no knows where it is
All these jokes are so wrong... if someone was holding our manhole cover we'd know where it is :P My terrible jokes are at least on par with HAI... maybe worse!
World speed record cars: A B C D E F G H I J K
Manhole: L M N O P
Saturn 12 underrated comment
When I was a little kid I always said “... H I J K Elmo Pee Q R S...” instead of the correct letters because I thought the alphabet was intentionally written to sound like that.
*ELEMENOPEE*
Introducing a new format I see
yes
"did math thing"
*video shows 1+1=2 *
dy/dx + dt
Hey, it's still math
Uhh, tHaT pErsOn iS WrOng, ThE aNswEr iS tHrEe. ObViOusLy
Actually, if you add another 1 to 1, it becomes 11
lol
Already knew about the manhole cover so the most surprising thing I've learned from this video is that there were 1000 FPS cameras in 1957... just wow! How do you even manage to get something on film with that short of an exposure time?!
1/1000s exposure time is something even good consumer grade analog cameras could do. Apart from that: the brighter the light, the shorter the exposure time. And I'd say they had the bright light thing covered here.
@@jcxz983 Good try but you don't have much of a point. 65 years ago 1/1000s is nothing "even good consumer grade analog cameras could do", and you entirely forget that the higher the light intensity, the easier it can ruin the entire film because the dynamic range of film is crap, so unless you use a lot of different cameras and composit them together, you point your "average consumer grade analog camera" at the flash of a nuke, and you have a ruined film.
@@dmitripogosian5084 There's the physical shutter speed of the camera, which is entirely not the issue, and then there is the film material, which is.
You can't expose your regular run-of-the-mill 400 ISO Kodak to a 1/1000s shutter and expect it to make a picture.
Bright lighting was from the nuke
High speed cameras were invented in 50 literally for the purpose of recording explosions...
Are we going to talk about how they only estimated the MINIMUM possible speed it was going?
well its because there was not enough frames.
@@geraskatinas1846 until we do it again to prove that the us Sent the first thing into space
@@wolfsden6479 why does that matter
@@geraskatinas1846 if you have to ask you don't get it
@@wolfsden6479 you didnt explain??
Aliens haven’t made it to earth yet because their ship was totaled by a flying manhole cover in space
Id like to believe a manhole cover has delayed an alien invasion simply because a manhole cover travelling at extreme speeds blew up a mothership.
One small victory for Earth's Space Force.
Because they fear the earth's manhole cover,thinking that it's a superweapon that could pierce a mothership in seconds
they gonna be furious when they arrive
@@engine4628 IF nuclear tests underground with big sewer doorsTM on top don't destroy every big ship they have and all the small ships get sniped
Year 2550; A manhole crashes onto unknown land, right into an alien school, leading to the first galactic war in our galaxy.
oomf
Lol
That manhole doesn't dismiss you, I do.
Sounds familiar... Is this reminiscent of the Chinese rocket booster that almost fell on a school?
@@OwnedBucketTheBucketMan No absolutely not, I wasn't even avare of this story, i don't intend to introduce political quarrels in my youtube comments.
An interesting thing to have calculated and put in the video is a rough idea of how far away the manhole cover would be today if nothing stopped it’s momentum
Approximately 72 billion miles
@@jacksongerling7900 so then it would be the furthest man made object ever?
Considering it was the first thing shot in to space and did so at all the velocity a nuclear bomb could put it to I kinda thought that was agiven... but yes, assuming it hasn't encountered the sun yet.
@Ravensquote726 You clearly haven't played Kerbal Space Program lmao
@@ravensquote7206 if its known where the test was done, and at what time, you could probably do the math to figure out what direction it went in
*New Horizons: "We launched a rocket at a velocity of 36,000mph."*
*Nuclear Bomb Researchers: "...hold our Man-hole cover. Well, on second thought, you probably shouldn't."*
well cause rockets are heavy as fuck and a manhole is like not even 10 kilos lmao ofc it'll be faster
*New Horizons again: "How come?"*
*Nuclear Bomb Researchers, again: "Uhh, no reason..."*
@@axlelijah2327 4 INCH (10.16 cm) thick.
Assuming steel's density to be 8000 kg/m^3, pi to be 22/7 and the manhole cover to be 1 meter across:
(22/7)*(1/2)²*(0.1016)*8000~638.63 kg
replicate the experience and put a camera and a test dummy on it (that sound like a episode of mythbuster)
@@reinatr4848 r/theydidthemath
*NNNNYYYYOOOOM*
(Humans, some day in the future): WTF WAS THAT A MANHOLE COVER?
imagine if you were standing on the manhole cover
@@mclarenmp4-12c8 Probably get turned into a scattering of limbs, organs and red human juice.
TrashDeviant mmmm red human juice
@@gmodiscool14 Yeah, it is one of the better tasting human juices. Not a fan of the yellow or white juices. Green human juice just smells weird. And the purple one doesn't even come from humans.
cow juice keep the cereal up guys!
Elon musk: alright I’ve landed on Mars.
Ground control: what do you see
Elon: a man hole cover
That child: my plumber.
Child that: plumber my
A hole that's size of man hole cover
Going through mars
My that : plumber child
dlihc ym :rebmulp tahT
One thing to think about is that the manhole cover was probably warped into a teardrop shape from the friction of it moving through our atmosphere that quickly. So no there isnt a manhole cover flying through space, but the warped piece of metal could be.
Those who have read The Dark Forest... 😱
@@AKAHimself Doesn't end well...
Meanwhile in another planet:
"We found this round dish with words in a language we don't understand yet. Its made out of iron and it also emits radiation"
The manhole cover would not have been exposed to any radioactive material. The vaporized concrete pushed it out of the way before any fallout could be spread.
@@dannypipewrench533 I'm fairly certain that if the concrete was indeed turned into a gas by the radiation pressure... then that man hole cover got enough neutron and gamma radiation to keep it in active decay for quite some time...
@@andersjjensen First off, I am going to ask you if you know a lot in this field. I am not saying that you do not, and I am not going to ignore your arguments if you are not an expert. But, I would like to know if you are, because then I can save us both some trouble and not make a ridiculously simple argument with my limited knowledge.
With that said, and this may be a false assumption, but I have to believe that vaporized concrete would be an incredibly thick gas, and since it is mostly dirt, rock, and sand, would be a decent, but not total, radiation shield.
@@dannypipewrench533 I am by no means an expert. However, while a 2m concrete plug at the bottom of a, presumably, quite deep well, is obviously going to create a quite dense gas, by atmospheric standards, I don't think it will provide nearly the same radiation protection, once expanded to the available volume, as the concrete plug would in its pre-vaporized form. And 2m of solid concrete is not nearly enough to shield against neutron and gamma radiation from a nuclear detonation, even some distance away. Sure, alpha and beta radiation should get absorbed relatively well. But fast neutrons and gamma rays have pretty potent penetrating powers. Which is why light water reactors, despite operating at (hopefully!) much less peek power than a nuke, use some 15m of water to stop the critters from barbecuing everything in sight.
I'm not saying the man hole cover would literally be glowing in the dark, but I'm 100% that a Geiger counter would sound like static if held next to it :P
@@andersjjensen So, yeah, the neutrons would probably get through just fine. But only they would cause the cover to become radioactive. My question, though, is would the cover emit enough energy to be harmful afterward?
Side note: I went on a tour of Idaho State University, and got to walk up to their nuclear reactor. It was a 5 Watt reactor, and was low enough heat to not have a cooling system. The fuel blocks were one foot wide disks, and the reactor casing was about a yard wide, filled with water. The disks stacked on each other were about six inches tall.
Soviet union: we are the first who sent an object to space
Murican mainhole cover: i cant hear you over the sound of my velocity
Considering it’s traveling faster than the speed of sound it would be more like I can’t hear you I’m traveling faster than sound
I believe the german "Aggregat 4 or "V2" rocket was the first man made object in space.
Just curious: how does nearly instantly being accelerated to six times Earth's escape velocity not turn the manhole cover to a spray of dust?
It probably did turn into dust
m a g i c
@Aelerity It would vaporize which could be considered really fine dust.
Also, the gaz that pushed it must have been extremely hot
Because its steel baby 💪
This is the most treasured item in an alien museum
New Sonic movie : "Gotta go fast"
Manhole cover : "I'm gonna end that hedgehog's whole career"
@The_Hinterland EvEry CoMmEnt Is ThIs ForMAt
The_Hinterland tell me about it, also the stupid
Nobody:
Then some stupid shit, it’s so damn annoying. And the hotel: trivago comments are also annoying. Basically TH-cam’s comments are running in an loop
Photon: *laughs in c*
Sonic move at 343 m / s, Manhole cover speed 54000 m/s or 157 x Sonic speed or mark 157 and 0.000179628 C
@@parkiel54 my blood gets boiling hot when i see one of those "ima end their career" comments
Imagine you're an alien, and You're cruising along in interstellar space with your shields down to conserve power, and suddenly you hear a *_THWAM_* as some piece of space debris was apparently going fast enough to imbed itself in your hull. You go check what it was, and you find a disc covered in alien symbols that was apparently hurtling through space at a good clip.
There's a slight chance that manhole cover is on an alien's wall.
Great storytelling, you should write a book abot that.
Space ship gets a huge hole than man hole is just like: courck
Most things in space are moving much faster than that naturally. 6x the escape velocity of earth is not that fast on a cosmic scale.
Space is 99.999999999999999999999999999999999999999999999999999% empty. It's probs still hurtling in space.
Best Comment
Who will win?
- Billions of dollars invested in sending rockets to space
- One Manholy boi
Sounds Gay but okay
Dead meme
@@shinmon9486 not that there's anything wrong with that
-Billions of dollars invested in sending rockets to space
Or
-Billions of dollars invested in splitting atoms
🤔
@@fakename287 nobody:
US Government: *LETS DO BOTH*
by far my new favorite fun fact is that the first object launched into space is unknown, because it may have been a 4" thick manhole cover launched at 125,000 mph by a nuclear bomb test.
so thank you for that information!
The Nazi’s V2 rocket is actually the first thing launched into space.
Me: "I should go to sleep early"
Me at 4AM: Watches how a manhole cover became the fastest manmade object ever
0:30AM. So it begins...
03:40 AM right now. I have a job application in 6 hours ffs but cant sleep :0
Me rn
nah Parker Solar Probe is the fastest m8
It's currently 3:39 and I'm reading a comment about someone who commented this at 4AM, so yeah... Fuck responsibilities.
So, we propulsed a manhole cover at 200 000 kph ?
Go home humanity, you're drunk
@Landon Lomenick why did they even think to put a manhole cover over the whole too, lol. Doesn't make much sense
That's the minimum speed we launched it. It's far more likely we launched it at much higher speeds to the point it is the fastest thing we've created.
Manhole: I'm the fastest thing ever made!
Helios probe: I'm about to end that *manhole* career.
Underestimated comment
@@jansvasta2146 Underrated*
I see what you did here
This should be on top.
I'm tired of this comment format but this is funny
That rocket car... They deliberately capped it at 763 because 767 is the sound barrier and WHO KNOWS what would happen if you break the sound barrier on wheels!?
Nuclear bomb: *blows up*
Manhole: _I am speed_
Scientists: how fast can a manhole cover go?
Nuke:yes
kachow
hammond you idiot
CLARKSON
What could possibly go wrong with that?
Manhole cover: I'm the fastest man made thing
My mom's shoe when I do something wrong: _Hold my flipflop_
*LA CHANCLA*
The fastest manmade object is me when mom orders pizza rolls
SIXAXIS would’ve been better if you said “I’m boutta end this mans whole career”
Brasil stories...
Normie joke.
Aliens: Lets invade this planet, their space artillery isnt advanced yet....wait, whats that metal thingy coming towards us?
the manhole cover just goes through almost all the ships and then the surviving ships pick it up and die from rads
*bonk*
Thats a really low chance
@@blendyboi5023 that would be a r/wroosh but hey i'm not the one understanding that he is joking
The alien a few seconds later "OH SHIT ITS COMING STRAIGHT AT US"
Edit: spelling
I'm guessing it would have very quickly burned up in the atmosphere due to friction, but it's fun to think that somewhere out in space, a tiny puck of frozen iron that used to be a manhole cover might be whizzing away from us into deep space.
"You encountered a space travel rival!"
Soviet union: chooses lvl 10 Sputnik!
America: chooses lvl 1 manhole cover
Level isn't everything
It 's about them stats
@@yeetocheeto8102 agreed
I’ve seen you comment before
The germans actually brought the thirst thing into space. The V2 flew in a height that is considered space.
@@yeetocheeto8102 *If only the people from another world get this shit.*
Soviet Union: *sends Sputnik to space*
America: *sends Manhole Cover*
Almost the same thing lol
*Take that commies*
*manhole hitting sputnik*
America: *turns earth into gun*
Firs is firs.
Rekted
Alien Captain: Sir! Our flag ship's Hull has been badly damaged by some kind of high speed moving projectile coming from the planet "Earth"!
Alien Warlord: Could it be? The Humans perfected orbital railgun defense?! Their technological advancements might not be as primitive as we thought...
Alien Captain: Should we continue the invasion?
Alien Warlord: No, call it off. We might've underestimated the Humans and that might just be a warning shot, who knows what they'll unleash.
*Meanwhile on Earth*
Human: Anyone see where that manhole cover flew off to? Hopefully it didn't land on someone's head.
A Helvetica Standard moment
Underrated comment
@@main8824 true
Human: Oh nice a hostile to gun down.
*Earth proceeds to become a minigun and the aliens are brutally taken down by a few metal lids.*
lol
Imagine the embarrassment factor, when, from a manned space station, the guys at mission control get a message: "uhh, we've just encountered a hull-breach, appears to be from a man-hole cover!"
Good news, you now have a free manhole cover to patch it up.
@@nolananderson4782 Good idea!👍✌
a half oz piece of debris travelling at 15,000mph will leave a foot wide, 5 inch deep crater in a solid chunk of aluminum...
now imagine what a 250lb manhole cover travelling at 100,000+mph would do...
there would be no more space station, just a cloud of dust where it used to be...
Dude that shit would almost fucking vaporize the entire station instantly
@@fredselvaggio1435 Wow, thanks for the comment Fred! That was from 2 years ago, forgot all about it!👍✌
The fastest thing ever is my ability to make women uncomfortable
Stay strong King. #SexOffenderShuffle
Lmao
The profile pic ok
suicidebywords
I'm uncomfortable already.
You must have a superpower!
Soviet Union: we were the first country to send a man-made object into space
USA: hold my manhole
The V2 of Germany would have been the first in 1944 (Google "first object in space").
"hold my manhole"
ThomasTurner69, that kind of sounds dirty... 😂
@@zandovic It was a sub-orbital flight, the first object in space was Sputnik I
V2 Rocket by Wernher von Braun in 1944 reched 189km high. HaI was wrong
Everybody: What is the airspeed velocity of an unladen swallow?
Dr. Brownlee: What is the airspeed velocity of a manhole cover?
african or europian IM SORRY I COULDN'T STOP MYSELF
@@bobbob-bg2li European, also when it comes to Monty Python jokes you can always help yourself to some quotes
@@bobbob-bg2li How do you know so much about manhole covers?
American or Communist?
At 125k miles an hour, that manhole cover would have reached space in nearly 2.5 seconds... even if it lost some speed, there's no way it didn't make it to space.
The compression heat was extremely high. Many people, including Dr Brownlee who calculated the speed of the manhole, don't believe it made it to space.
@@Li-Nuss people theorize the manhole cover was so fast it had no time to burn
@@Derpyman2 it could've still broken up though
"First thing in space"
[Sad V2 noises]
Kim Thing it did make i to to space, if only briefly so, NAZI GERMANY IS THE WINNER!
lol i commented the same
Lol yeah
@@nolategame6367 I don't know if Germany did send them to space, but the US captured V2 rockets after the end of the war, and they used them to take the first pictures of Earth from space
@@ludovisuis They did, but didn't take pictures. Proof that the victors write the history books
I like to imagine there's a manhole cover out there just slicing straight through planets at incredible speeds
"look at that wormhole, check out that blackhole, oh s**t here comes a manhole!"
Plot twist, a suns gravity has sligshot the manhole towards earth
@@LordJoker88 if only we were that lucky
mach 500^10
The most powerful weapon in the universe (that doesn't slightly cheat physics (like kurzgesagt's black hole bomb)): an ordinary manhole cover.
Captain America should've used that manhole cover to defeat Thanos
You commented on every video I watched today.
BTW, I don't get the joke
@@firefish111 holy shit man ... about to comment same ...i watched him today two times already lmao
Just imagine Endgame ending with Thanos getting hit in the face by a manhole cover. Im ded xD
@@nova_vista yeah but Sam should've used it.
Defeating Thanos with a literal nuke-propelled cannon would have been pretty epic to be honest. I imagine him saying his "I am inevitable" line just before being smacked with a chunk of steel moving faster than the Earth's escape velocity.
This actually came up on my live stream a few weeks ago. We have a member of the panel who is retired NASA with astronomy and orbital mechanics degrees. They did the math stuff and we came to two possible outcomes. First it is still in solar system somewhere in the Ort Cloud or burned up in the sun. It all depends on time of "Launch".
Keep in mind, if they used the speed that was just the minimum speed. It would most likely be travelling faster then calculated
Depends on which way earth was turned during time of day and where it was in its orbit
"If you've watched this channel before, you probably know what I'm about to say"
*PLANES*
No, its SKILLSHARE
Ah yes, the tale of the flying oversized metal hockey puck that became the fastest object in history
You make it sound like it was launched by Canada
The first flying saucer
no one:
some metal circle: I'M THE ROCKET MAAAAAAAAN
_wow, you’re use of the no one template was so funny and original, I’m actually on the verge of exhaling in small bursts and Laughing Out Loud, here’s your 1’000 internet points, you absolute comedy genius, funny and the haha is what this comment is._
@@saltysnowboi well, your sarcastic commentary does, indeed, hurt my pitiful, brittle self-esteem and need for validation BUT you did misspell one of the most used and easiest words in English with "you're" instead of "your". The internet rules, hereby, dictate that YOUR argument is invalid.
Jove fuck.
L
@@jove3403 I think the useless nobody template needs to be stopped but you get an exception from that reply. 👏
/summon tmnt
It would be fun to credit the foundry that made the manhole cover with being the first with an object in space.
Everybody gangsta until a manhole cover moving at 5x the speed of Voyager 1 snipes your plane.
It broke the time-space continuum and went back to 1947 and crashed on Roswell
Nah it went back in time and wiped out the dinosaurs
That's why we still haven't found the meteor yet
@@dhump132 Went back further, split the Earth and the Moon.
joshua vance i like this best. It didn't actually split them itself it just crashed into an object juuussst hard enough to set the whole thing in motion.
no it actually came back 44 years later and hit the world trade center
If people were smart they would capitalize on this and turn this into an actual functioning weapon, just scaled down
Edit: Wait that's literally just a gun
lmao
Literally just a gun
Except we could probably control the blast and finally have a way for nuclear-powered space weapons. I mean come on itd be catastrophic how much shit that manhole cover could do
A nuclear pistol
I think it would be more of a cannon...
*Meanwhile in an Alternate Univese where this experiment never happened*
NASA Employee: *Sips Coffee*
NASA Employee: *Head gets decapitated by a Los Vegas manhole cover.*
This needs to be re-tried with today's high speed cameras for more accuracy
no!
@@Patatigatti123 es.
@@Patatigatti123 es.
*Test ban treaties have entered the chat*
B-but it's for science! I wanna make a massive steel bullet go nyoom!
It’s going to be found lodged in one of Jupiter’s moons 1000 years from now by some students on a high school field trip.
No it won't, our atmosphere would have vaporized it entirely.
@@maxnaz47 r/woosh
@@maxnaz47 r/woosh
@@maxnaz47 r/woosh
@@maxnaz47 r/woosh
Aliens: We will lead the human race into a beautiful dystopia!
Their ship: *gets torn in half by a manhole cover moving 125,000mph*
Dystopia?
beautiful dystopia?
good thing they got blown up
the word ur looking for is utopia
~ 200,000 km per hour.
@@tommybomby4122 Assuming the aliens will invade Earth, then dystopia is correct. Else, it will be utopia that is correct.
that manhole cover finna be a whole mcu phase 5 movie plot 💀
Nobody:
Skillshare:I’m gonna sponsor this man’s whole career
Lmfao
Dead meme format, pls delet
Abeoth
| Dead meme format, pls delet |*
Shhhhh, dont comment
"...good for watch time" - *makes 6 minute video*
careful everyone, he's a hero...
Imagine in 200 years someone is just flying through space and they see some random manhole cover from 1957
They turned the earth into a manhole launching space cannon. That’s epic.
our top-secret alien defense plan in a nutshell.
@@rearspeaker6364 I’m not mad about it
@@DieselHeat1 nor am I---we all good here.
Scientist: Sorry, the nuclear dispersion concrete isn't working today.
Manhole cover: Understandable, have a nic-
SIGNAL LOST: OUT OF RANGE
*_Public: How fast did the manhole cover go?_*
*_Scientists: Yes_*
public: How fast did it go? Can you provide footage?
scientists: sur-*[REDACTED]*
USSR: Ha! I launched the first object into space!
US Government: Did you detected a manhole cover, dumb Communist?
USSR: Err... WHAT?!?!
Stupid meme. Fuck outta here
Angel Of Misericordia
Is it better or worse than the
“No one: x
Other person: y” jokes?
@@LiquidSpartan117 *_Be gay in Iran._*
Somewhere on another world...
“What is this weird circular object?”
*20 Rads*
It said "made in usa"
But in another world circular to us won’t be circular to them
_In a galaxy far, far away_
They'll probably think it's an artifact from the sky with ancient scribblings from an ancient kind.
If that manhole hit you horizontally your body would go like frieza cutting himself in half with death saucer
teacher: what's the fastest thing ever?
me: a man hole!
*gets detentioned*
Justin Nowaczynski bro
@Justin Nowaczynski ...
Justin Nowaczynski bruh😐
@Justin Nowaczynski we dont give a shit
So... everyone just gonna argue about someone just correcting a peron?
“I’ll give you a hint. It’s not the U.S. military when a country finds oil”
i don't know this is hard
Elaborate
"when a country finds oil" is a weird way of saying "when Israel says so"
Funny, the US never invaded Venezuela, despite them being an extremely weak and defenceless country with the world's LARGEST oil reserves...
@@weasle2904 Are you not aware that Venezuela is currently under US sanctions? Even Photoshop is unavailable there.
Alien: Hey that tiny dot is getting bi- *Gets crushed by manhole cover*
Imagine that thing punching a hole in an alien planet and starting a war
"Hey, I made a gigantic rocket that can travel at 2,000mph, how about you?"
"oh I made a manhole cover"
"and a nuke"
Imagine when we get to Mars and the manhole cover is just chilling there
Nicholas Bloxxer keep the cereal up guys!
th-cam.com/video/02ksqmtvCqY/w-d-xo.html
Alien: Oh boy i love flying around in my space ship!
literal manhole cover launched billions of years ago: Allow me to introduce myself
I am going to destroy this man whole career
It's insane that they were only able to find it in one single frame.
When you MLG snipe Sputnik out of orbit with a manhole cover
@Rocket Man Nah just launch it at an angel to get a gravity assist at mars cuving its orbital path just enough to have it reenter the Earth's sphere of influence and colliding with Sputnik...
@@aubanana1339 Dude Perfect right there
@@RyTheGuy100 YOOOOOOOOOOOOOOOOOOOOOOOOOO
The fastest moving thing in history is Susan running to the Black Friday sale
Ha ha ha! Good one!
Just recently she beat her own record when going to the customer service counter
*Karen running to speak to your manager
Karen*
No The fastest object on earth is baby when you ask him/her what is in your mouth
"If it did really make it into space, it would have been the first object ever launched into space."
V2: *exists*
Came here to say this.
@@gnznroses Same
@@matthewdavidjarvis6039 Nothing can escape Earth's gravity
I read that the huge rail guns the nazis used to get to space before been pulled back.
V2 went to space? Huh, I didn’t think about that
Imagine Aliens flying through Space, first seeing a Manhole cover just to See Voyager a week later.
Why hasn't the government released the underground nuclear explosion video?
Probably because they accidently awoke godzilla and wanted to keep it a secret.
Maybe it just blew up a cave full of diamonds and government does not want to leak it
Y'all drink radioactive groundwater.
It was nuclear testing. They probably don't want to share the data they collected at the cost of a funny meme/ made up myth.
Yall cant get a joke.
Imagine in an alternate universe sputnik and this happened on the same day, and after all the work a capitalist manhole cover smashed your nation's pride at at mach 162
that would be funny for the Americans
Mic Krout Soviet anthem interrupted by some banjo noises and machine gun fire
69th like and this is funny
@Saxxony Ger Thr Reich Strikes back
Saxxony Ger hey. Hey. Hey. Hey. Hey. No reason to be an asshole. It’s only trump and other dumbasses that give us the bad rap. I don’t think all Germans are beer drinking, mentally unstable, cheery war crime committers, and yet, I find that you less capable of recognizing stereotypes than the “dumbass Americans” you mock.
Kerbal space program: IRL edition.
keep the cereal up guys!
spaggheti effect
_yeet_
a n i m e
n
i
m
e
I just hope that manhole cover doesn't hit any aliens somewhere in space and cause them to want to blast us to a pulp.
something hit our ship! what does it say? "Los Vegas sewer system".
My friend: what if instead of gunpowder, we use nukes to propel a projectile?
Me: this video
Techically they used concrete and nukes.
*nuke goes off*
Manhole: *Neil degrasse tyson going NYOOOM*
Hahaha nice one
Imagine if someone got hit by the manhole cover
@@nyx142 some nice, good, delicious human juices
*NYOOOOOOM*
the man hole cover going that fast would have only taken 2 seconds to exit earth's atmosphere ( the Kármán line 62miles )
Really cool that you calculated this, I doubted anyone would because it's troublesome to do so
Not falling for the bait but nice try
The Legend it’s true tho..
dyeilo yeah Ik it’s true but it says it right in the video lol woosh bait
@ted kaczynski LOLOLOLOLOL
If the atmosphere "ends" and space begins at 62 miles high, it only took 2 seconds to escape, probably not enough time to melt from the friction of air, and at 6X the velocity to escape, it probably sailed off into space.
Yeah, That's what I think too. How ironic. The fastest thing ever launched into space was the first ever launched into space AND it was unintentional.
It is similar to an iron object entering the atmosphere from above. It just explodes. 55km/s is about 2x faster than typical entry velocity of a meteoroid, and if it immediately finds itself in the densest layer of the atmosphere, the outcome can be only kaboom. It is like hitting a wall. No space travel possible, at least not in one piece. Small "shotgun" debris could still have the escape velocity, though.
@@Edi_J nope. The atmosphere starts out at high density, and gets lower, and it's trajectory is vertical, (leaving earth) objects entering earths atmosphere are travelling anywhere from 11km/sec to 72km/sec, and rarely travel perpendicular to earth's surface, giving them time to go from an extremely cold vacuum enviroment, to super heated (relatively) oxygen rich enviroment (which is why they burn/explode, from heat) The opposite is true when launch from earth, a thick slab of iron is not getting vaporized by a thinning atmosphere in less than two seconds. The air resistance _decreases_ traveling away from earth, and a cold, vacuum stops stuff from burning.
@@Mark017m The V2 was the first thing launched into space, but yeah
@@jamesgeorge4874 I highly doubt it, at the estimated speed, the air in front of the cover is not moving out of the way, it is building up and compressing in front of the cover, once that air has reached is maximum compressibility, it will begin to sheer over the sides into undisturbed air, the amount of kinetic energy being released at the edge would literally turn it to plasma, well in excess of 30,000' Celsius, at those temps, iron doesn't just melt, it evaporates, instantaneously.
Nobody:
Manhole cover: I AM SPEEEEEED
Mass Debater so are you
Lighting McQueen: I am speed
Manhole: I am about to end this man's whole career
Wow thx for the likes
Mass Debater Yep
@Mass Debater Shut up
Why did I decide to read the comment section?
Nukes really is the answer for everything. They even gave us hentai
I’m pissed off because I can’t say this is wrong
why would you say something so controversial but so brave
And God I wish they didnt
Wha- how?
@@cody1.4.3.7 It's a joke about how the nuking of japan changed the culture from warrior like to a bunch of weaboo hentai porn etc
What if the experiment had happened a month later and the manhole cover had struck Sputnik ? That would've been the most hilarious thing ever !
USSR would've sent the first satellite into space and then it would've been destroyed by a manhole cover that would've been the first anti-satellite weapon ever...
Arthur Bertrand Lmao.
Marty, we have to go back...
Might’ve started WW3.
The sputnik started basically on the other side of the planet, so there would've been a relatively small chance that that happened.
@@foximacentauri7891 but still possible.