Is there a threshold for a password so long it doesn't get any more secure or even becomes insecure?
A 40km diameter alien saucer is floating 2km above the ocean for a long time. What are the effects on the sea ecosytem below?
Is there a known non-euclidean geometry where two concentric circles of different radii can intersect? (as in the novel "The Universe Between")
Why was "leaping into the river" a valid trial outcome to prove one's innocence?
Coworker has a borderline-NSFW ringtone that is disturbing. How can I get him to change it?