Re: How can you verify the randomness that's coming from a hardware?
For example, if the bits make up the ASCII sequence "this is random" it definitely is not random.
If you generate enough random 14-character sequences, you'll find it eventually 
If you say to pick a number between 1 and 10, 7 is by far the most common.
These sources says 3 or 7. The interesting part is they're both prime numbers.Reddit shows 7 as a clear winner (28%).
While eating candy with the kids, I thought of a way to create random numbers:
Get one, write down a B or a W, eat it, get the next one. Repeat until nauseous. It's much faster than flipping a coin.