<i>Radioactive decay is slow, slow, slow.</i><p>Here&#x27;s a cheap way to generate 800 bits per second from radioactive decay. <a href="https:&#x2F;&#x2F;www.fourmilab.ch&#x2F;hotbits&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.fourmilab.ch&#x2F;hotbits&#x2F;</a><p>Why aren&#x27;t 800 honest-to-goodness random bits per second enough for all practical purposes? If you need more than that, you should be playing in the big leagues, where using a little USB fob is not the answer!