Zap, Crackle and Pop: The Story of Electricity
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- เผยแพร่เมื่อ 21 ก.ค. 2015
- Dr Marty Jopson leads us through the story of electricity in a show buzzing with demonstrations. Have we tamed electricity? From the Ancient Greeks to Faraday’s genius, this show puts the awesome back into electricity.
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Join Dr Marty Jopson, the BBC One Show’s resident scientist as he takes a sparky journey through the story of electricity. Do you know the difference between current and voltage? With the aid of the audience, Marty will explain. From the Ancient Greeks, through Faraday’s genius, this show aims to put the awesome back into electricity. You may think we have electricity tamed, but are you sure? A show chock full of demonstrations and a plucked chicken. Expect an electrifying performance.
Marty Jopson is a science TV presenter, live show performer, writer and strange prop builder. He is most famous from the BBC's The One Show, on which he has reported on the mathematical formula, Benford’s Law, the origins of the seismograph, the sound mirrors of Denge, the ban on lead in petrol, and the invention of lava lamps.
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I greatly appreciate having heard the following explanation of voltage vs. current in the first semester of my college electronics program: If you compare an electrical circuit to a plumbing system, the current equates to the flow rate, the voltage equates to the water pressure, and the resistance or impedance equates to a partial blockage in one of the pipes.
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The water analogy is useful only at about that level... It breaks quickly. But yes it's a useful tool in the introduction phase. Get completely out of it as soon as you can, or you will just confuse yourself later.
Dude I wish I had a teacher as passionate as this Guy
Unfortunately, after 20 years working in university teaching/education colleges,I can tell you that they are purging experts and streamlining their dumbing down strategy by only hiring "education" majors as faculty. So, they're experts in... teaching. But they have no expertise to depart to the students. So, the schools are full of "teachers" who teach "teaching"? No. They teach obedience and authoritarianism, as a priority.
There are exceptions, but they are decreasing in number. I just pulled my child out of middle school. There's no reason to waste so much time there and lose all family and social time outside of school.
It's gotten exponentially worse, since I was in school, and many parents either don't realize it or don't have the ability to be home with their children.
My parents and grandparents were teachers. I grew up with respect for public institutions. They're no longer public. What's coming is even worse. Social Impact Bonds.
He has so much energy, it's electric (or coke)
True. Did wish a bit more detail about Ohms law to the kids. Either way love his passion as a teacher.
Q1
Another really good reason to use the back of hand to test for electricity is if you do get shocked, your muscle will contract. if you end up grabbing a wire, you are in for serious damage. So using the back of the hand is much safer.
Once you get a lot of experience, you'll want to use a multi-meter or other test equipment because it is a lot safer than using your heart as a fuse.
thats why we use Tesla's AC system
so you can actually let go
@@catnium Having smelled burnt electrician in the Cavendish Laboratory, I can assure you that you cannot let go if you contact a hot AC line, no matter which side of the Atlantic you are one.
How could anyone dislike this vid? This guy is brilliant.
Looked forward to these lectures every Xmas as a kid. Great to find them here. Thoroughly entertaining.
Same Here
This is a fantastic presentation delivered with excellence!
Very entertaining and educative. I enjoyed watching it till the end.
Great talk. Can't help but appreciate his enthusiasm..
what a nice bloke. dr. Jopson sir, i am a fan.
I love his energy!
This was great information on the genesis of pre-modern electricity. I would liked to have seen him continue his talk and bring us into modern technology; very entertaining lecture.
Except it's so far off on so many levels. Dumbed *too* far down. 🙄
Awesome presentation!!!!
Absolutely great lecture and the delivery, wonderful.
I love the enthusiasm of this guy!
This is such a great presenter. Clear precise and engaging
Inspirational stuff. Would love to go to one of his lectures !
Why 🙄
He's destroying half of the explanations
Awesome! Thanks for your help!
Little boy playing with feathers is funny at 31:00. Cheers for the lecture great fun for all the kids there.
Another excellent, informative, and interesting talk hosted by the Royal Institution. Thank you RI and Dr. Jopson.
For greater impact for home viewers you could pass the audio and video cables close to the electrical demonstrations to get live interference - giving more immersion.
Cool demonstrations with great presentation by the lecturer.
At 18:08 you can see his display flip out when he discharges the van de Graaff.
This cool dude awakens the child in all of us. Excellent hands-on presentation. Thanx Dr Jopson! 😊
loved this guy, his vibe passion and charisma are quite unique, extremely captivating.
hahahahahahahaa nice one lmao
Reminds me more of a carnie show.
he's on the brink of a coronary
50 seconds in and I feel the same!
This is the funniest demonstration i've watched so far. Now off to find the next one.. and the next.. :D
Good Show!, Tuning in from Canada!
Toronto : )
One of the best physics lecture I've ever seen😍😍😍😍
funniest teacher ever! i hope i get a professor like you even though that might be a stretch
HyujjjjkkkkloloooyuyggggyyhhhyhhuooooooooooollllllllllllllolkKmmubvgfvh. Jkkjijjjjjjjuii
Brilliant chap - perfectly suited to presenting & has character....a credit to science :)
Excellent video! Faraday is my hero 😍
Infinite love and respect.......
Oh my! This guy is awesome just from talking! Great lecture :D
Dr Marty Jopson and Andrew Szydlo are my two faves :)
A highly charged presentation. Well done!
Looooll
Excellent presentation this electromagnetic lectures for real Marty is fantastic indeed.
Great and stimulating...Please could you add to me what heart condition that contraindicate static electricity...
That guy was doing that experiment in my school today. Hes really lively and funny!
My grandson Jeff told me about this interesting site to inspire young people.
cool
this dude is a high voltage teacher...greatshow
...heh
I enjoyed that, thanks
So... I had to wait for 25 years untill this man makes me understand what volts realy are...
shame on my teachers on school...
Eddie Wu haha
So you waited 25 years when you could have picked up a book? Teachers aren't responsible for your lack of learning,.
You still don't understand even after watching this man, he's talking but not even he has realize what he is saying. His first mistake, static electricity? WTF? There's no such thing!... In order for electricity to be electricity it has to have a current.... He also talks about positive and negative electrons? What he doesn't understand is that when you rub the two different item's together, electrons transfer from one item to the other and then you have one item that has an excess of electrons and the other with less than it started off with... This is basically what you would call a static electric CHARGE... Yeah it's changed and it's not moving so there's no current and no electricity until you create and complete a circuit... Once the circuit is complete, the electrons begin to flow, the transformation from a charged static state to a flow of current takes place, this is literally the spark that you see... When the items reach equilibrium in their states of charge, they return to their neutral states and the current of electrons stops and then you are essentially back to the beginning.... Remember! Energy cannot be created nor destroyed, you can only transfer or transform it... Watch the video again and you can clearly see that he's talking a lot but he really doesn't understand what he is saying and basically just confusing people even more! The topic of static electricity is that one topic that very few people understand due to the fact that everyone calls it electricity, when in fact it's a electric CHARGE... The two are definitely related but they are not the same thing! Once you can understand that! Everything else just falls into place and begins to make sense... You didn't know this, and that's the reason why it's taken so so long to make any sense of it...
yeah watch again, he is talking about static electricity-generators aka non-moving parts in the generator
@@PeterMilanovski I was thinking the same thing and was wondering why he wasn't using water as an analogy that people can actually understand as they are so similar that they share a lot of the same terminology like current, banks, flow, static, etc. Water is used in most electrical text books 101 to describe the behavior of electricity and is easily understandable. He also doesn't mention any thing about electricity going to ground which is a basic fundamental of electricity. Especially when you are talking about lightning.
Plus he doesn't give a hats off to Tesla who brought electricity to the masses with AC power.
Fantastic demonstration of electricity at the scientifically most prestigious room👏👏👏 The best live science lecture ever seen!
Love this guy
39:08
Doc: ...so you won’t be struck by lightning.
Cayla: *grinning*
Doc: Unfortunately....
Cayla: O.o
Mindblowing👌👍👍🤗. I really became your fan dear sir🙏
love this fella what a really good lecture :)
Great stuff, I enjoyed that...:)
i was amazed by how he deliver those ideas i hope for more demonstrations
hope to see it live
need more demo for my class
Awesome teacher!!
Mark Twain mixed with Simon Pegg.
... with a little bit of Russell Brand mixed in...
Excellent
You are todays Faraday. One that inspires us all.
" my guys Galvani and Volta" - one of my favourite lines from this
8iiooi. B6
Hhuuji898
@@fazalabbas7347 hhhhxjj
He is a passionate teacher😊
Love it carry on with the work hard
A single unit device that converts chemical energy to electrical energy is a CELL. A BATTERY is actually a group of more than one cells (usually in series).
Allthough I actualy knew all the principles and things he said (with ecception of the real inventor of the lightbulb), I foun this video verry entertaining, and can recomand it to people of al ages and knowledge levels
This is great fun!
great video!
I knew this video would not disappoint. Wish this guy would be my teacher in university.
That surely was an Electrifying lecture . It felt as though the great Faraday has come down to his favourite lab under the name Dr Marty Jopson just to see if these later Fellows are upholding the wonderful scientific tradition he has created. Time machine is not a future invention. It is this very laboratory where the audience gets transported to wherever they want to go.
Can someone please tell me what kind of vacuum pump did he use for Lindsay's bulb? What is its name and where can I get it online?
Aww, my doggie got so adorably confused by the squeaking rubber chicken.
59:30 we used on everyday electricity untamed shutdowns
So i think i have the wisdom "experience-wise" to give u some preventive tips:
A- since ur mobile device is 2014 or newer.
*- install any enjoyable offline game.
*- pack ur entertainment ;), who knows it's never enough.
B- don't go out, the dogs think it's the planet of apes i mean dogs
Excellent showmanship - especially effective for teaching children.
Adverse effects on health of excessive electrification of modern living?
Oh, oh! I've been thinking for the whole lecture who mr. Jopson reminds me of... there's something very Ismo Leikola about him (a Finnish stand-up comedian). In looks, mannerism, speech pattern and the subdued humour ^^'
Awesome lector! :D
This can be used in a Holloween "ghost" show in all sorts of spooky ways. Great!
Great teacher :)
Wonderful explanation on the importance of cats. I had no idea that cats were the key that led us to electricity. Especially since they don't like it. There actually exists anti-cat mats to be put around a Christmas tree that charge up to high voltage which causes the cats hair to stand if it tries to walk on it.
That kid REALLY wanted to ask a question.
Shut up kid.
The real me that my I was hoping he would do ....answer the question!😊
Answer a rhetorical question
He wanted answer the question not ask one.
😐
Wow! Fun and full of enthusiasm!
Agreed. A great lecture for children and adults alike.
Doesn't sound like the odds are in your favor if caught in an electrical storm. Decades ago, I remember walking and seeing one in the distance, thinking how the sky looked so amazing. Listening to his talk, I'm glad I didn't get hit by a lightning bolt! Yikes! Such a great talk with lots of demonstrations keeping the audience and viewers engaged.
It was a most realistic lecture i had ever heared
you two could make a superasian supergay baby
The wand thing in the beginning would make a good magic trick!
As a maintenance electrician judging by all the times I've had the piss shocked out of me id say no, we have not tamed electricity
Seconded...
That awful feeling when you feel like someone is shaking your arm too vigorously.
The words 'horse has bolted' and 'stable door' spring to mind. 17:08 #bolt
ive watched this years ago ago ❓ but uno like movies you never take it all in the 1st time 51:30 Now here,s the 1st actual light bulb💡 unreal
This guy is electrified!
I wish i have you as my teacher I would have cleared my engineering entrance in 1st attempt...but have to give second attempt to get in a good college and now I'm in a good college with great placements but still do not have any professor like u in my college
If I'll touch the single line of a generator(Honda) 230V AC while keeping other line connected to nothing not even taken out, can it kill me?
The Royal Institution hosts always entertain while they explain.
at 26:00 moisture in the room with all the bodies. Bet it worked during earllier test without bodies
Juicy sparks 💓
This speech is why I called my son Zaps. the family was against it but I don't regret a thing.
I would have put the lightbulb time line as Humphrey Davy, Warren De La Rue and then Joesph Swan. Thanks for the Lindsay connection.
I feel some Ricky Gervais in the way he talks. And I do really appreciate that.
Wow, this is Kenneth Branagh's best performance!
"Why cats??".... lol this guy is cool!!
Because.
All teachers should have his enthusiasm
How is forward bending in a storm prevent, in case of a lightning, your back, hips and legs from exploding like a tree does? Human body is also full of conductible fluids, and in case of thousands of Amps they will also (like the tree) convert to steam and kill you instantly.
IIRC form Cosmos (the latest series with DeGress Tyson) it was not Faraday who invented the electric motor, it was his assistant...
(Might be remembering wrongly here)
***** Faraday himself was the assistant (of Humphry Davy) who invented the basic electic motor.
***** In 1821 Faraday didn't have an assitstant, he *was* the assistant.
He saw that Humphry Davy and Wollaston were looking at one of Oersted's experiments, and then tried to work out what was happening himself. In fact, this caused some tension when Faraday later wrote up his paper but didn't mention Oersted or Wollaston's work.
There were others around the world working on similar things, but Faraday was the first to get there. Here's a scan of the sketch from Faraday's notebook where he first jotted down the apparatus and theory behind it: 41.media.tumblr.com/f6fc0efba947b3d74a88303275ab503a/tumblr_inline_nrxosk51n01sio593_540.jpg
And if you want to know more about the motor, we've got lots more here: rigb.org/our-history/iconic-objects/iconic-objects-list/faradays-motor
Oh... OH...
Damn brain...
This guy was so ahead of his time, warning about the dangers of corona events 57:30 and wearing PPE 1:01:30 - he is the new Nostradamus.
Well can't say I've learned anything new in this, his overly active and excited presentation style probably isn't for everyone. But I do think Marty Jopson presented something valuable and entertainning, especially for a younger audience that probably did pick up a few tidbits here and there while being entertained (and hopefully be willing to spend more time on the less exciting formal stuff/boring safe experiments at school).
Shocking story
What a sweet thunderstorm girl :D
I usually love the speakers at the Royal Institution. Usually.
4:58 that is all.
Dude, this guy is like lightning in a bottle..... yay :D
The Royal Institution In the experiment at 47:41 why do you use that specific battery, it is a 12V battery but what is it's current? Does it have to be a particularly big current?
Is it possible to combine the lemon-copper-zinc experiment and this one ?
Jumping Eyeball You can use any battery, even the lemon-copper-zinc battery. But the maximum swirling speed of the metal rod depends on the magnitude of the current which in turn depends on the voltage. The lemon-copper-zinc battery produced only around 1V. The 12V battery induced a pretty evident swirl for us to spectate.
Jumping Eyeball This is the battery www.maplin.co.uk/p/12v-sealed-lead-acid-battery-42ah-1-pack-l53ac a 12v 4.2Ah battery.
+Marc van der Meer Actually the speed is more dependent on the voltage supplied as that is the controlling factor. The current will increase as the voltage goes up but if you supply that setup with a controlled power supply where you can keep the voltage low the speed will not increase. The size of the magnetic field is proportional to the voltage.
Actually, it is the current, since that is what determines the size of the magnetic field. With a fixed resistance, the current is directly proportional to the voltage - assuming the source can produce the current. The lemon battery probably would not do so.