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Welcome to The Cave of Dragonflies forums, where the smallest bugs live alongside the strongest dragons.
Guests are not able to post messages or even read certain areas of the forums. Now, that's boring, don't you think? Registration, on the other hand, is simple, completely free of charge, and does not require you to give out any personal information at all. As soon as you register, you can take part in some of the happy fun things at the forums such as posting messages, voting in polls, sending private messages to people and being told that this is where we drink tea and eat cod.
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Useless Facts
ETA: also, I'm reasonably sure the Monroe faithless elector thing is apocryphal.[/spoiler] -
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Useless Facts
Not to rain on your parade, but neither of these are true. Some species of dragonfly, maybe, but definitely not all (and short lifespan is something I would much sooner associate with mayflies), and it's been shown that goldfish actually have quite good memory (for fish). ETA: And I'm almost... -
Useless Facts
This is just a simple arithmetic operation disguised by unnecessary steps. If you take 2n + 10 and divide by 2, you get n + 5; so of course subtracting n gives 5. There are much more interesting algorithms that aren't nearly as explicable. Take the Collatz conjecture. Starting from any number...