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For questions that ask if a given concept is consistent, or being used consistently, in the context of the referenced world rules. Answers should say yes or no, with supporting info. This tag should not be used with the science-based, hard-science, or science-fiction tags. Comparisons to the real world should use the science-based tag. This tag may not be used alone. This tag may not be used with the science-fiction, science-based, or hard-science tags.

16 votes

How long would it take for a U.S. dollar bill to rot?

It's unlikely anything would be left. US currency is made of paper composed of 75% cotton and 25% linen, with a thickness of 0.11 mm. I haven't found any information that the paper is pre-treated wi …
Wingman4l7's user avatar
  • 5,153
23 votes
Accepted

Realism of a multi-arrow bow

Your main problem is that you're trying to fling multiple projectiles with a single bowstring. I'm no physics guru, but it seems that you're going to be dividing the pounds of pull across the total n …
Wingman4l7's user avatar
  • 5,153
25 votes

Could a creature evolve a biological "bulletproof vest"?

Sure -- if their biology allows them to generate long chains of polymers. Modern bulletproof vests (without hard ceramic plate inserts) are made of multiple layers of tightly woven synthetic fibers c …
Wingman4l7's user avatar
  • 5,153
4 votes

Would it be possible to build helicopters without knowledge of radio transmission technology?

Not terribly so. The main requirements to manufacture a helicopter would be metallurgy, machining, and aeronautics. If you were willing to go without running lights, and even without a starter motor …
Wingman4l7's user avatar
  • 5,153