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Momentum, Magnets & Metal Balls - Sixty Symbols

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Published on May 26, 2012

Looking at momentum with the aid of steel balls and a neodymium magnet. Featuring Professor Roger Bowley.

Visit our website at http://www.sixtysymbols.com/
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This project features scientists from The University of Nottingham

Sixty Symbols videos by Brady Haran

Comments • 820

Ricky T. George
"Excuse me, uhm, can I adjust my balls?"
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Steve Gould
Who remembers the Ladybird book of magnets bulbs and batteries? Watching the first moon landing as it happened? Eric Laithwaite's Royal Institution Christmas lectures? All were pure magic and Sixty symbols recapture that feeling - well done guys!
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TheRhinehart86
I love the way Brady subtly edits these videos "Can I adjust my balls"
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James Neace
Ohms Law (I=E/R) is measured today as Volts = Amps/Ohms. However, the units volts, amps, and ohms didn't exist, and neither did the terms voltage or current. The E stands for electromotive force, the I stands for intensity, and the R stands for resistance. This is why we still use i for current. Sorry if this was already commented on in the past four years, but I became very excited that my knowledge as an electrician could help to explain a problem presented by a physicist. :)
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Patrick B
I really like Bowley. He seems very approachable and a fun guy to sit down and have a pint with.
TheNightWatch001
"we just run out of letters sometimes and make something up"... truer words. In fluid dynamics, we can have u and mu, v and nu, and p and rho all show up in the same equations (each pair looks identical when written)
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Remi Caron
Why do two of the balls go off with the magnet and only one of the ball with stacked balls like the first experiment?
Vladyslav Ternovyy EK3c GK
that sound 2:30
Michael Mcdowell
don't pinch ur hands brah
louis tournas
Looks like you are making energy out of nothing. Breaking the laws of physics is illegal. It is 10 years prison.
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