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Spehro Pefhany
  • Member for 7 years, 2 months
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53 votes

Building a phone charger 500 years ago

10 votes
Accepted

How can prostitution be made acceptable in a religiously conservative society?

3 votes

How can a person Insulate copper wire in a medieval world?

2 votes

I was thrown into the middle ages, how do I power my time machine?

2 votes

What could lead a very poor country to arise as an economic powerhouse?

2 votes

Why would an alien race have developed space travel and yet not have other technology?

1 vote

Cryogenic grenades in medieval time

1 vote

How to bootstrap technological development from one man in the forest, to building a spaceship?

0 votes

Lighting circuit without metal

0 votes

How can you destroy a small device inside another person's head?

0 votes

How can a trade secret thief avoid being caught?

0 votes

How can a large creature be deceptively fast?