Astronomer: sqrt(3) = 1
I was worried that this might not fit in this community, but then I realized that I'm the moderator. So here's me abusing my power.
A few weeks ago I managed to strip a hex screw.
I didn't know that you can just not pay for things. I should try that with my rent.
By the prime number theorem, if the tests go from 1 to N, the accuracy will be 1 - 1 / ln(N). They should have kept going for better accuracy.