Electric vocabulary - James Sheils
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Published on Jul 16, 2012
View full lesson: http://ed.ted.com/lessons/electric-vo...
We all know the words around electricity, "charge," "positive," "battery" and more. But where do they come from and what do they really mean? Let the history of these words illuminate the physics of electric phenomena.
Lesson by James Sheils, animation by TED-Ed.
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Top Comments
Ligermorph 10 months ago
After this battery of shocking information I currently feel positively enlightened and I just can't resist to discharge a pun ;-)
(Too much? Apologies, didn't mean to rub you people the wrong way.)
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DaveNF2G 10 months ago
Does anybody think before criticizing videos? Tesla is irrelevant to the topic of the video, which is the origins of TERMINOLOGY, not applications to technology.
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All Comments (147)
mike kendall 1 week ago
lol.
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Adrian Cabada 2 months ago
no no not enough lol
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fukidngan 2 months ago
I wish I saw this seven years ago when I was studying physic
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Terraqueous Onkos 3 months ago
Very good, concise, informational, interesting. Though I'm not completely familiar with the topic, the information seems good.
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TheBelmontClan 5 months ago
Huh, the universal physic, is there such a thing as obtainable utopia? If not, then why is happiness always in pursuit of it? Could it be there simply is not enough discussion of balance within the human condition? Has there ever been? It's always been one side vs. the other with ultimately no winners, has it not?
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cwjakesteel 6 months ago
Thanks!
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jamesthenabignumber 6 months ago
They didn't invent any new vocabulary for fundamental electrical theory...
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jamesthenabignumber 6 months ago
Hi cwjakesteel. I wrote and narrated the video, so I can help with your question. Franklin simply guessed which material had an excessive of electrical fluid (and was 'positive'). When electrons were measured, it was found that they move the other way - so a positive material has too few electrons. Franklin didn't have the technology to discover this at the time, so he took a 50/50 guess that happened to be incorrect! Hope that helps.
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Ivanna Yakovlyeva 6 months ago
this helped me very well
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cwjakesteel 6 months ago
Wait...there's something I don't understand. About the last part of conventional current. It was said that he found that the electrical fluid was flowing in the opposite direction. But it wasn't stated earlier which direction franklin gave it. Because all they knew was what was like and what was opposite. And the current in the small gap moved too fast to see its direction. So how did they decide which direction the current flowed?
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