Back to Show
Physics Girl
How to shrink a quarter with electricity
Season 1
Episode 29
How an 8000V electromagnet can be used to shrink a quarter. The interplay between electric and magnetic forces leads to the Lorentz Force and Faraday’s law of induction which can be used to shrink a quarter, or any other type of metal coin.
Support Provided By
8:32
Hawaii is known for its volcanoes, but most volcanoes on earth exist along tectonic plate
11:21
The TRAPPIST-1 exoplanet system has seven earth-like planets.
6:32
Why are plants green? Is there a reason plants evolved to be green, globally?
8:03
How can you time 45 minutes with 2 sticks that each burn for one hour?
9:09
How can you use an infrared camera to see through walls? To inspect the scene of a crime?