This nifty tool is essentially a random yes or no generator – a specialized spinner derived from the Picker Wheel universe, home to various spinners like the Team Picker Wheel, Number Picker ...

You can see a video of the Cloudflare lava wall by [Tom Scott], below. If you don’t need a random number generator, maybe you could use a spectrum analyzer. Thanks to [Ptkwilliams] for the tip.

Quick! Think of a number between 1 and 10…was it 7? If it was, don't feel too bad, as human brains are notoriously bad at ...