Fushigi na Butterfly
I've done that before to- come up with things I thought were original ideas, only to realize that someone else already researched it. But it is cool to see that you think on the same level as recognized theorists and such. 3nodding
I mostly like it because a puzzle I know from math and logic can be applied to the "doomsday."
Besides, the idea of Judgment Day happening after all humans have died amuses me.