How radiation work using Americium 241 as an example as it radiates alpha particles and gamma rays, slowly undergoing radioactive decay to become Neptunium 237. Full animated explanations are given. Also there are live demonstrations using an Americium 241 pellet from an ionizing smoke detector and a spark gap powered by a homemade high voltage power supply.

For the Nuclear Fusion in the Sun video, watch:
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For the How a Rocket Works/Earth to Space video, watch:
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For the How a Crystal Radio Works video, see:
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3D modelling and animation done using Blender 2.63.

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