How Fast is an Electron and Electricity

How fast is an electron in a wire and how fast is electricity? An electron moves surprisingly slow, slower than a snail, while electricity moves at near the speed of light. Electrons move at what's called the drift velocity. This video illustrates all this in an entertaining and informative way. Enjoy!

This video has correct English captions. Click on the CC button at the bottom of the video to see them.

For "How Radiation Works - Americium 241, Alpha Particles and Gamma Rays", see:

For "How to make solar cells (DIY/homemade solar cell)", see:

For "Fresnel lens - what is it, testing focal length, solar heat generated", see:

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3D modelling and animation done using Blender 2.63.
Original Earth image from NASA/courtesy of
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