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- เผยแพร่เมื่อ 28 ส.ค. 2022
- The "T-Rex" is the University of Texas' large mobile shaker, and I got to see it in action. ■ More about the shakers: utexas.designs...
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Filming in the brutal Texas heat and sunshine, with a camera that kept overheating and failing, was really difficult: I'm very grateful to all the team for their time and patience with this video!
Thank you Tom and team! Never for the life of me would I even think something like this existed.
Second!
third
Brutal heat and sunshine, yup that’s Texas
We appreciate your hard work!
Imagine making a whole university building evacuate and being like "oh my bad, I'll just turn down the *liquidator* a bit, shall I?"
But: it's good people knew what to do in an earthquake!
We call that an unscheduled earthquake drill. It was successful.
Well it was California, lots of earthquakes there.
Best job ever!
As a proud Longhorn, I fully endorse messing with folks at UCLA!
You can just tell that guy LOVES what he does...one of the most enthusiastic guests Tom has had. But then again, what grown up kid wouldn't love having their own earthquake machine called T-Rex?
+1 to this
You can tell he loves it but unfortunately his script could have used a review. He tries to mention so many details that he kind of loses the big picture sometimes.
@@ForeverDayGreen that's how you know he loves it, all the little details are what gets him excited!
The best professors are all like that. I had a physics prof in undergrad that was super excited about his research. He tried to explain it to us, but it was way over our heads. Something about using electron spin to make transistors.
"Earthquake-making time again already?" -- Prof. Ken (potential supervillain who found his niche)
I want to see the "30 times a second" footage with the machine appearing to be still, with Tom in front saying, "Wow! This thing can really move!"
It was in there, very briefly.
At 3:20 the 30x second footage is briefly shown. Looks like nothing is moving.
@@musewolfman @jkk244 It seems you didn't get the joke...
It should show up though. The camera is 29.97 fps I think, not 30
@@Anonymous-df8it And with that precision noted for the camera, you think the massive machine is exactly 30.00000 times per second?
My life has been immeasurably improved by the knowledge that we can make artificial earthquakes using a machine that slaps the ground really fast.
And thats the light civilian version...imagine what the military uses.
Fukushima wink wink
@@rronaldreagan oh look, it's the guy who orchestrated the Fukushima disaster. Thanks for letting us know how you did it.
@@notahotshot you are almost right...by sheer luck though.
Fukushim happened in 2011...guess who was in the WH then?
Ill give you a hint: guy is moodslim and the president who b0mbed the most civilians ever in the history of the us :)
@@rronaldreagan Exactly what I was thinking! A bigger one on a fault line and who knows! Syria Turkey Ecuador etc
Our nuclear stockpile pales in comparison to the energy that caused that quake. the entire earth cocked sideways when those plates finally gave way @@rronaldreagan
This is the sort of unglamorous science and engineering that saves thousands and thousands of lives, and we typically don't even notice.
+
Its a mobile vehicle that causes local earthquakes, I think you expect small earthquakes to look interesting on camera
@@deadmeatjb the thing is that 30 punches per second you can't even see on camera because there is no frame shift with 30fps camera :D so I'm sure it's even more fun in person (I'm not even talking about mini-earthquake machines named T-Rex and such, this feels like any kid's dream)
Billions. Billions of lives. This kind of equipment is used to find oil fields, without the Haber Bosch process which uses natural gas a few billion people would die
I'm sorry but this is VERY glamorous, by any metric!
That guy simultaneously looks nothing like the kind of person that can cause earthquakes on a whim, yet looks EXACTLY like a person who can cause earthquakes on a whim.
You have to imagine him in a long robe and a wizard's hat.
😂
@@varana I was literally about to say he's exactly what I expect a younger Saruman would look like.
It blows my mind that something so small, on the scale of earthen features, could effectively recreate an earthquake that can be felt any significant distance away. This is awesome!
Tesla was on to something 🤔
@@Benzy670
Tesla was scary smart.
The most amazing thing about all this is that they can monitor the soil half a mile deep without boring. This sounded insane to me.
Why not? You can use ultrasound to keep an eye on your unborn baby’s development. This machine may use a different frequency, but it should roughly work the same way. 🤔
It certainly isn't boring!
@@NikolausUndRupprecht Unborn baby is just a few centimeters away from the apparatus, maybe less, not a freakin' half a mile under solid ground.
@@NikolausUndRupprecht Ah yes, it can be used to detect fetus buried half a mile underground
*804,672m
So this is that "Vibe Check" I've heard so much about.
Ah, so this is what the kids mean when they say “that’s a vibe”
They can control it perfectly. The vibes are immaculate.
They often call them vibe trucks, so yes.
I was working on the Pacific Northwest coast in a small coastal town that was built on mud flats and wood waste from sawmills. The Nisqually Quake occurred while I was outside a pump station and I watched the ground making waves across the area , much like what you see when wheat fields are being blown by a gentle wind. I saw sand blowing out of cracks in the asphalt streets during this event.
cool.
I was jet lag snoozing in Kyoto when a small tremor hit.
Thought my sister was shaking my bed for a joke.
That is a cool story. I think one thing about growing up is you realize how unique each place is. Besides brand new towns, most places have unique natural history
My dad just ended up panic running out to the middle of the back yard like a vapor, and reverting back to when he was five, and seeing the Gas Works cooling towers rocking back and forth in the ‘64 earthquake.
Wow, that's crazy!
I worked as an engineer for a military contractor, and we had something very similar to this inside our facility. We did quality assurance testing of life cycles on the device. We had to try replicating various scenarios the products encountered during service. They're no joke.
Oh hey, the shakers! My buddy Robert works on that team, drives them around and helps maintain and design the control systems. Super cool job! Welcome to Austin!
I am now imagining one of these vehicles rolling up, and the driver leans out to say, "Anybody here order an earthquake?"
Here's your earthquake sir
I know a Robert. I wonder if he’s the same one.
@@DoctorSkillz I'm a Robert. I wonder if I'm the same one.
@@MonkeyJedi99 Earthquake on demand, that would be one heck of a business idea.
I love hearing from people who clearly find their jobs really cool.
If my job was creating artificial earthquakes, I would think it's really cool too
I do agree with you, it *is* lovely.
Random fact: I love Jurassic Park so much! Even more random: This video and its information. Love it!
You're always getting your interviewees at ease so well, it's amazing.
I work in passive source seismology where we just wait for the earthquakes to happen and use that data, but I learned quite a bit about active source in my undergrad. I once heard a story about some researchers at a university who wanted to use a hunting rifle as their source, but it was too weak. So they got a Browning M2 Machine Gun. The airwave from the explosion however was affecting their sensors, so they mounted it on a cherry picker to get it higher off the ground. Better, but it was still an issue - so they decided to try and redirect the hot gases coming off the barrel. Their solution? Put a condom around the barrel. The final bill for their project included 2 Browning M2’s and 10,000 condoms
that happened
well, at least they figured out how to practice "safe seismology"
I TOTALLY want to see that reimbursement form!
"Ah yes, a .50 cal machine gun! The perfect science instrument!"
Aperture Science probably
Walk into a pharmacy ...
"Hello, I'd like to by 10,000 condoms. Extra large."
"Are you for real?"
"I'm a scientist, it doesn't get more real."
I do wonder how my upstairs neighbour managed to get theirs inside
They must have the T-Rex Mini, also known as the velociraptor.
Me too
These are used primarily in oil and gas surveys, called vibrators. A whole fleet generates a wave of large magnitude and the resultant sound waves are picked up by geo phones . The collected data is produces 3D slices of geological mapping
Twelve years ago I watched a formation of trucks like this drive in sync across the Kuwaiti desert near a military base. They'd all stop simultaneously for a minute or two, then continue driving (still in formation) to whatever the next spot was during their surveys. Unfortunately I was too far away to actually feel/hear shaking.
Yep, that's seismic surveying. They complement the data they get with ground based gravity surveys (a box with a spring that you precisely measure it's stretch at a certain temperature) as well as aerial sensors on aircraft.
Travelled all over Australia and northern Canada doing this. Best job I ever had.
I love how both machine and camera where so perfectly timed in the 30 frame a second section. So every picture was at the top of the strike, and the strike happened in between pictures.
you dont have to precisely time it at all. every time the camera took an image the shaker would cycle once, so we have no way of knowing if it was at the top, middle or bottom of its stroke. it just was in the same spot because its cycle rate matched the cameras framerate.
I studied at UT recently but wasn't aware of this! Thanks for showing it Tom!
That’s the cool thing about large universities. I went to Ohio State and graduated 4 years ago. I’m still finding out about new and interesting things they are working on.
As a proud Longhorn, I fully endorse messing with folks at UCLA!
@@MesaperProductions same, especially since they are joining the Big Ten Conference for some reason.
🤘
TU*
"I'd pick this thing over a cement mixer because I like my trucks shaken, not stirred."
Dad joke detected.
Ken's glasses and/or helmet being ever so slightly askew is one of those things that just makes sense.
Had the interesting experience of the purely vertical shakers being used in the middle of the city a few years ago. Seismic testing for geothermal energy. Fun when they are right outside your window, and you are on one of the upper floors of a late 18th century building. Been in a few earthquakes in Japan, and was rather odd to suddenly get the same feeling in a geo-stable city in the middle of Europe.
Tom is one of the very few people who can turn any topic into a great masterpiece that’s actually interesting to watch.
You haven't even watched the video yet mate.
@@cublub5910 I never said I did. I’m just talking about Tom in general.
@@professionalamateur417 Caught you in 8K UHD surround sound 16 Gigs ram, HDR GEFORCE RTX, TI-80 texas insturments, Triple A duracell battery ultrapower100 Cargador Compatible iPhone 1A 5 W 1400 + Cable 100% 1 Metro Blanco Compatible iPhone 5 5 C 5S 6 SE 6S 7 8 X XR XS XS MAX GoPro hero 1 2 terrabyte xbox series x Dell UltraSharp 49 Curved Monitor - U4919DW Sony HDC-3300R 2/3" CCD HD Super Motion Color Camera, 1080p Resolution Toshiba EM131A5C-SS Microwave Oven with Smart Sensor, Easy Clean Interior, ECO Mode and Sound On/Off, 1.2 Cu. ft, Stainless Steel HP LaserJet Pro M404n Monochrome Laser Printer with Built-in Ethernet (W1A52A) GE Voluson E10 Ultrasound Machine LG 23 Cu. Ft. Smart Wi-Fi Enabled InstaView Door-in-Door Counter-Depth Refrigerator with Craft Ice Maker GFW850SPNRS GE 28" Front Load Steam Washer 5.0 Cu. Ft. with SmartDispense, WiFi, OdorBlock and Sanitize and Allergen - Royal Sapphire Kohler K-3589 Cimarron Comfort Height Two-Piece Elongated 1.6 GPF Toilet with AquaPiston Flush Technology., Quick Charge 30W Cargador 3.0 Cargador de Viaje Enchufe Cargador USB Carga Rápida con 3 Puertos carga rápida Adaptador de Corriente para iPhone x 8 7 Xiaomi Pocophone F1 Mix 3 A1 Samsung S10 S9 S8AUKEY Quick Charge 3.0 Cargador de Pared 39W Dual Puerto Cargador Móvil para Samsung Galaxy S8 / S8+/ Note 8, iPhone XS / XS Max / XR, iPad Pro / Air, HTC 10, LG G5 / G6 AUKEY Quick Charge 3.0 Cargador USB 60W 6 Puerto Cargador Móvil para Samsung Galaxy S8 / S8+ / Note 8, LG G5 / G6, Nexus 5X / 6P, HTC 10, iPhone XS / XS Max / XR, iPad Pro/ Air, Moto G4 SAMSUNG 85-inch Class Crystal UHD TU-8000 Series - 4K UHD HDR Smart TV with Alexa Built-in (UN85TU8000FXZA, 2020 Model) GE 38846 Premium Slim LED Light Bar, 18 Inch Under Cabinet Fixture, Plug-In, Convertible to Direct Wire, Linkable 628 Lumens, 3000K Soft Warm White, High/Off/Low, Easy to Install, 18 Ft Bissell Cleanview Swivel Pet Upright Bagless Vacuum Cleaner Trane20,000-Watt 1-Phase LPG/NG Liquid Cooled Whole House Standby Generator.Caught you in 8K UHD surround sound 16 Gigs ram, HDR GEFORCE RTX, TI-80 texas insturments, Triple A duracell battery ultrapower100 Cargador Compatible iPhone 1A 5 W 1400 + Cable 100% 1 Metro Blanco Compatible iPhone 5 5 C 5S 6 SE 6S 7 8 X XR XS XS MAX GoPro hero 1 2 terrabyte xbox series x Dell UltraSharp 49 Curved Monitor - U4919DW Sony HDC-3300R 2/3" CCD HD Super Motion Color Camera, 1080p Resolution Toshiba EM131A5C-SS Microwave Oven with Smart Sensor, Easy Clean Interior, ECO Mode and Sound On/Off, 1.2 Cu. ft, Stainless Steel HP LaserJet Pro M404n Monochrome Laser Printer with Built-in Ethernet (W1A52A) GE Voluson E10 Ultrasound Machine LG 23 Cu. Ft. Smart Wi-Fi Enabled InstaView Door-in-Door Counter-Depth Refrigerator with Craft Ice Maker GFW850SPNRS GE 28" Front Load Steam Washer 5.0 Cu. Ft. with SmartDispense, WiFi, OdorBlock and Sanitize and Allergen - Royal Sapphire Kohler K-3589 Cimarron Comfort Height Two-Piece Elongated 1.6 GPF Toilet with AquaPiston Flush Technology., Quick Charge 30W Cargador 3.0 Cargador de Viaje Enchufe Cargador USB Carga Rápida con 3 Puertos carga rápida Adaptador de Corriente para iPhone x 8 7 Xiaomi Pocophone F1 Mix 3 A1 Samsung S10 S9 S8AUKEY Quick Charge 3.0 Cargador de Pared 39W Dual Puerto Cargador Móvil para Samsung Galaxy S8 / S8+/ Note 8, iPhone XS / XS Max / XR, iPad Pro / Air, HTC 10, LG G5 / G6 AUKEY Quick Charge 3.0 Cargador USB 60W 6 Puerto Cargador Móvil para Samsung Galaxy S8 / S8+ / Note 8, LG G5 / G6, Nexus 5X / 6P, HTC 10, iPhone XS / XS Max / XR, iPad Pro/ Air, Moto G4 SAMSUNG 85-inch Class Crystal UHD TU-8000 Series - 4K UHD HDR Smart TV with Alexa Built-in (UN85TU8000FXZA, 2020 Model) GE 38846 Premium Slim LED Light Bar, 18 Inch Under Cabinet Fixture, Plug-In, Convertible to Direct Wire, Linkable 628 Lumens, 3000K Soft Warm White, High/Off/Low, Easy to Install, 18 Ft Bissell Cleanview Swivel Pet Upright Bagless Vacuum Cleaner Trane20,000-Watt 1-Phase LPG/NG Liquid Cooled Whole House Standby Generator.
Agreed
Implying that trucks creating artificial earthquakes isnt an interesting topic without Tom talking about it?
wow. i love that you let this guy just go off and be himself !! his charisma is off the charts
As someone who grew up in Long Beach and well familiar with earthquakes, I'd like to know how much all this force translates to the richter scale.
no
You never cease to amaze me on showing us things we didn’t even know we thought we needed to see. And every video is really fascinating. I never knew these things existed. Thanks Tom!
Interesting video Tom, but the Jurassic Park reference is actually an interesting one since they used guitar strings mounted on the vehicle to get that effect. DIY Hollywood at its finest!
I seem to recall from the behind the scenes, that they had a guy laying under the dash strumming a bass. Been a while since I watched it though.
I was looking for someone mentioning this!
I recall that they tried an actual ground shaker but the cars' suspension completely dampened out the vibrations, like it's supposed to really, so someone clever came up with putting a steel plate with an eye hook under the car and stringing a bass wire between the plate and the car's chassis. Then some poor, slim fellow would twang the string on cue and presto! one of the most iconic scenes in cinema.
It's not quite as interesting as the T-Rex machine, but that's interesting.
What I love about that is generally how simple practical effects really can be.
Dunno why they didn't just use the car's stereo
To give you an idea of how massive these machines are, a friend once backed one of these into my new car. It literally cut my car in half with its corner. My friend said he felt zero resistance. The university replaced my car.
That is a lot of mass. Wouldn't want to fall asleep at the wheel in one, could go through and through a house.
This is probably reminiscent of what it's like standing beside a stamping press in a factory. The presses there ranged from 150 tons to 800 tons. And with a few exceptions they ran at about 40-60 Hz. Even with massive 6+ foot thick concrete flooring the whole damn place shook every hit.
Those things are amazing! Three of them went down my street, presumably to survey for a new bridge. As soon as I heard the infrasound, I went outside, and there they were. They would drive maybe 100 feet (30m), then stop and shake, and repeat, slowly working their way down the street.
I can feel the Texan heat just from this video! Plus I am getting 2nd hand sunburn too ☀
Huge machines, loud noises, heat, somehow I can tell it's a worthwhile trip
Now that I heard the explanation it makes perfect sense that something like that exists but it doesn't make it any less odd to create artificial earthquakes.
Tell that to the workers at fukushima power plant
In 1998,, one of my favorite authors, Ken Follett, released a book entitled _The Hammer of Eden_ wherein the baddies use a device like this one -- only much larger -- to "vibrate" fault lines, break them loose, and cause gigantic, destructive earthquakes.
But I'm sure these nice folks at the University of Texas would never do something like that, right? *Right?!!* 😉😂
Nah, it's way easier to get that effect by fracking.
They would do that to destroy ATM
Imagine what the military grade version is capable off.
Fukushima for example
This is some really cool research and I'd love to try and reach out from my lab to maybe collaborate with them on an idea. Thanks Tom & crew for sharing these cool researchers and experts outside their usual domains!
We need to protect Tom Scott at all costs.
from what
anything
@@Pyth110 The liquidator
he can protect himself i think
Here is some volcanic activi-
Video cuts off. Goodbye Tom.
Tom, whatever you do, please keep that thing away from the San Andreas Fault
Why? California needs to go into the ocean.
The quiet passion that this gentleman exudes when explaining about the shakers is what I live for.
Ah hey, I live in Austin and am a UT employee. Wish I would have spotted ya! But wanted to tell you, my dad is perhaps the only, if not one of the few, private citizens who owns a seismic vibrator truck. It's in Ponca City, OK, and he uses it for R&D for developing the technology.
Your videos remind me so much of the old Connections and Connections2 programs I watched as a child. Your delivery makes me feel like you studied James Burke's technique. Love it.
Tom, you are a true educator. Thank you for all your effort!
Everybody gansta until you turn off the T-Rex and the "earthquake" still doesn't stop.
Similar to DTS (Dynamic Track Stabiliser) machines that can be used on the railway to consolidate track after relaying, not used much in the UK owing to concerns about damage to adjacent structures. Always fun to watch animals like mice not understand why their whiskers are vibrating!
This must be the goods lorry that passes by my window every night at 3AM.
I get the feeling that Professor Stokoe is one of those professors that make you want to delay graduation just so you can take another one of his classes...
What kind words! This is my Dad and he is a rockstar! He absolutely loves what he does.
That guy loves his job, it resonates with him so much.
Tom Scott = the absolute GOAT of informative documentary making.
He seems a happy mischievous machine operator/ developer/ scientist.
3:18 "chamera" instead of "camera". (just a note, great and interesting video).
I remember as a child growing up in Michigan having a geologic survey crew coming through our region, large shaker trucks, dozens of support crews with remote sensors they would bury for a few days and an occasional controlled explosion. My uncle was a petroleum engineer and happen to visit us while the survey was underway, I remember him explaining everything to my Dad and me. It was fascinating.
Netflix - "are you still watching?"
Someone's daughter - 1:04
I was really worried when the ground started shaking during this video! Turns out I just have the washing machine on a spin cycle
Perfect timing.
Interesting. But how does this help to deliver the mail?
You split the earth in two, throw the packages in, get your packages out the other way. Truly simple and not overkill
Judging by some of the mail that comes through.. it must get "processed" by this machine somehow, probably off-screen.
The vibrations of the t.rex calms the mail, preventing it from escaping and disturbing the mailman.
What?
Arrange multiple of these machines in a circle and they'll create a wormhole. Simply toss the mail in and POOF! mail delivered.
I loved this guy's enthusiasm! He's the kinda guy I want to sit down and a have a drink with and just listen to the stories
That guy looks so happy to do what he does, seems like he has a ton of fun playing with his t-rex for science XD
2:09 i thought wyoming didn't exist
I love how titles almost seem clickbaity in Tom Scott's videos yet they are not.
My dad worked on these machines for an oil and gas exploration company named Veritas out of alberta for over 25 years, I remember seeing the vibes in the shop as a child and being awestruck at the sheer size of them. Never had the pleasure of seeing one operate in person, but you could get the idea very well just from the scale!
I'm not shocked at how good, in depth and we'll researched and produced your videos are - I'm used to it. But what still baffles me is how you're able to churn the at such a fast pace.
This guy could make lancing a boil sound interesting
I see the truck learned Earthquake, it's a great counter to steel and electric types
Isnt that what the truck's made out of? 😳
Tom: Shows random things I don't care about at all as usual
Me: Fascinating.
Take the one thing I love most about these videos is the like unbridled enthusiasm that the people you interview who do these jobs have for their jobs. I feel like this guy was really trying to rein in how excited this job makes him and how excited these machines make him
"The forbidden massager"
This seems like a way more high tech version of that German one
Ken's such a happy guy. You can tell he enjoys himself.
That guy is a great spokesman. Very good at explaining everything.
*On a random thought I guess there was an experiment done somewhere in the world when everyone participating was to jump at a fixed time to see earthquake simulation analysis*
ok but why would you assume that
As a Chilean, I can tell you what an earthquake feels like. It would be interesting to see that machine.
It’s nothing like a real earthquake. As a New Zealander, I can assure you of that.
“Research and exploration”
But we know it’s mainly for the funny shaky moments, which is amazing
Tom - been catching up with your slate of videos from your last year and a half, and imagine my surprise when a very familiar shade of orange shows up on the T-Rex! I am a current student at the University of Texas, and have planned to go there ever since I was a child. It's incredible that I had never heard of this before!
I often find value in your videos for showing me something fascinating that still retains its intended importance - usually that "thing" is thousands of miles away - but here, this is essentially a part of my daily life! Thank you as always for highlighting these oddities and wonders that can sometimes be hidden right under our noses.
P.S. - I subscribed to your newsletter! That should make sure I don’t fall behind on your uploads **this** much ever again. Cheers from Austin, Texas!
This machine will figuratively and literally vibe check you
Ha, we got the real thing here in Japan - he's called Godzilla.
It used to be called a vibroseis truck... you put 4 of them in a row, front to back, synchronise their occilations so the pads are going the same direction at the same time, and start a "sweep" of frequencies high to low with most of the 30,000 pounds of each truck resting on the pad. That will constitute an energy wave that will reflect off subsurface structures that may confine oil. On the surface there will be an array of low frequency microphones to record the energy waves generated by these trucks.
I just saw four of these trucks going about on the streets of Copenhagen, stopping every few meters and shaking the ground. Immediately thought of this video and had a "you must be fun at parties" moment, being the only one around that knew what was going on :)
Probably not as powerful, but Munich had a seismic scanning few years ago done with very similar looking vehicles, a whole train of them
really? do you have a little more insight into this, since Munich is way closer to here than Texas is...
Apparently done for geothermal exploration. Interesting, didn't know that that was how it's done.
Really fascinating technology! Hope the people in that campus were okay. XD
Great work as always Taran!
I personally saw these machines once in my hometown just outside of Pittsburgh Pennsylvania around ten years ago. The state government had just approved fracking. People weren’t happy about it and wanted to prove that fracking was harmful. The machines were brought in to do testing. Sensors were needed to do the tests. Some of the sensors were put in peoples’ yards, which they complained about so much, the company had to remove them and go back to Texas before the testing was finished.
I had a girlfriend, a few years ago, that made artificial earthquakes.
hmmm... Turkey, Syria? next weapon of mass destruction? interesting 😅
My dad does a similar thing on the opposite end of the spectrum: ultrasonic testing of welds and vibration analysis of marine diesel and turbine engines. I didn't realize it would work on a large scale like this too!
This is one of my favourite videos of recent time!
You went to see a machine called the T-Rex because of the way the Jurassic Park T-Rex was crating ripples in a glass of water... and you didn't bring a glass of water?
There was a whole tray of water... close enough
So this is what USA militarty used in turkey ? Just something a bit stronger I guess
🤣
Man’s excited about his large shaker!
Hey Tom, hope you had a great time here in Texas!
Great low frequency performance! I need one to support my living room subwoofer
It's wild seeing tom in a part of the world that you live in, going to places you've been before
Nice to see Tom mingle with some movers and shakers ;)
Tom's ventures in America have been very interesting. I've never seen or heard of a lot of these industrial machines and infrastructures so it's cool to see him show off all this stuff with the professionals.
Now I understand what I saw 35 Years ago at the plant where I worked. A small, heavy looking truck stood in the middle of the plant for half a day, and when they left there was a big 10 cm deep square impression in the pavement.
1: I can totally see that the guy from Practical Engineering already knows about these machines, and...
2: He wishes he could have one for Christmas. :D
Shakers have been around for decades. While working at UT at Dallas in the 80s, I designed a remote radio control system to control one out in the Nevada Test Site. I sat on a mesa at night and used it to synchronize my recording truck with the shaker thirty miles away.
"What's your job?"
"I operate a T-rex and make earthquakes and people pay me for it."
The enthusiasm of this guest really made the video pop, I have a slight interest in earthquakes, tsunamis etc. and his explanations and just overall way he spoke really made the video a fun watch.
Had Stokoe as my Professor last year and he's just like the guy you see here in the classroom as well. My favorite class so far.
I worked in Seismic Survey in Australia a few years ago and we had about 5 of these machines. Didn’t realise they were so unusual. One of my jobs was to do the tests near structures to make sure they were not being rattled enough that they would be damaged by what we were doing. Good times.
no idea that stuff existed, it does make total sense though. kudos for always finding these topics nobody even think about :)
My dad was a geophysicist. He would use the data from these kinds of machines like echolocation underground to see the different layers of rock and they're properties. I studied geology in college myself and worked on interpreting that sort of data for several weeks.