How To Create Random Numbers Using Radioactive Material

How To Create Random Numbers Using Radioactive Material
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Think of a random number between one and 10. Most likely you chose seven — so exactly how random was your choice? Turns out that generating a truly random number is more difficult than you might think — but this video should help you get to grips with the problem.

Truth is, finding a process that spits out purely random digits isn’t so easy. But it’s just about possible with a bit of mathematics and the help of, uh, a small lump of radiative material. [YouTube]