- The Great Bug Hunt (allenpike.com)
On occasion, you will hit a Bug. Not a mundane bug, some trifle you can fix in an hour, or even a day. This is a true Bug. One that defies reason. One that evokes a “that’s not possible,” a “how could this even happen?”, or most dreadfully, a “could there be a bug in the compiler?” Hold on kids, we’re going hunting.
- Boltzmann brain (Wikipedia)
The Boltzmann brain thought experiment suggests that it might be more likely for a single brain to spontaneously form in a void, complete with a memory of having existed in our universe, rather than for the entire universe to come about in the manner cosmologists think it actually did. Physicists use the Boltzmann brain thought experiment as a reductio ad absurdum argument for evaluating competing scientific theories.