Tritium Glowrings - nuclear power in your pocket !

Описание к видео Tritium Glowrings - nuclear power in your pocket !

A look at how a tritium glow-ring works. We delve down to the sub-atomic level to see how the beta decay of tritium gas produces light.

I look at how safe it is to walk around with one in your pocket and how long they will shine for.

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