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Randomness is important for all kinds of things, from science to security, but to generate true randomness, engineers have turned to some pretty odd tricks!

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Sources:
https://www.wired.com/story/cloudflar...
https://sploid.gizmodo.com/one-of-the...
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https://blog.cloudflare.com/why-rando...
https://www.design-reuse.com/articles...
https://www.random.org/randomness/
https://ocw.mit.edu/courses/electrica...
https://link.springer.com/chapter/10....
https://www.maa.org/sites/default/fil...
https://nvlpubs.nist.gov/nistpubs/Leg...
http://www.iro.umontreal.ca/~simardr/...
https://www.rand.org/pubs/monograph_r...
https://www.rand.org/content/dam/rand...
https://docs.microsoft.com/en-us/wind...
https://tools.ietf.org/html/rfc2246#p...
https://ops.fhwa.dot.gov/trafficanaly...
https://ocw.mit.edu/courses/aeronauti...
https://telescoper.wordpress.com/2009...
https://auto.howstuffworks.com/remote...
https://web.archive.org/web/200703150...

Images:
https://commons.wikimedia.org/wiki/Fi...
   • High Performance Double Pendulum MINI...  
https://commons.wikimedia.org/wiki/Fi...