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For questions about the creation, use, and application of all types of technology.

4 votes

Could medieval people produce automatic firearms if they had access to the schematics?

But that doesn't stop you spending a couple of weeks before time-travelling working with a modern gunsmith, designing and testing a weapon which could be manufactured with their technology. …
Dan W's user avatar
  • 4,014
0 votes

Could you float a boat on a gas giant?

I'm not sure how much help this is to you, but Clarke played with this idea in one of his stories: https://en.wikipedia.org/wiki/A_Meeting_with_Medusa (Spoilers) IIRC, he uses something more like a …
Dan W's user avatar
  • 4,014
3 votes

What cheap modern items can I use to bribe medieval people?

Spices - dirt cheap in the UK in large bags from a Chinese supermarket (much cheaper than Tescos/etc.!). Won't arouse suspicion as being an odd item - especially if you pick ones known to them - and w …
Dan W's user avatar
  • 4,014
12 votes
Accepted

Natural and affordable way to dye hair in medieval period?

Minor frame challenge: you don’t need to dye it darker, you just need to change the colour. Blond is also common in a lot of Europe. Ammonia (commonly made from fermented urine in medieval times, and …
Dan W's user avatar
  • 4,014
6 votes

How can I build a Nuclear Reactor in my backyard?

Your biggest issue with building a reactor would be that they've got a minimum output, well in excess of what you could use. You could build an RTG (https://en.wikipedia.org/wiki/Radioisotope_thermoe …
Dan W's user avatar
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0 votes

Could the 14-15th century world build a tank/AFV?

A recoilless cannon should be lighter and easily fired from horseback; I’m unsure whether such devices were creatively with 14-15C technology though. …
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  • 4,014
5 votes

What kind of near-future technology would enable extremely quick, mostly silent, communicati...

In terms of technology: **quiet communication ** To answer the question in the title: Noise-cancelling microphones behind a balaclava or mask would allow them to use a walker-talkie fairly quietly. … Passive detection of humans using Radio backsplash of WiFi signals is under development, using consumer technology. …
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  • 4,014
3 votes

How much medical information could we gather from a wrist-worn device?

(partial frame-challenge) If you allowed for it to interface to implanted devices, plenty more could be detected. An external device which collects blood provides a continuous source of discomfort fo …
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  • 4,014
1 vote

A clothing material or other method to slow free-fall descent down walls

Expanding foam An aerosol of highly expanding foam, which they squirt at the ground below them as they fall. They therefore land into a column of foam which dissipates their energy as they land. The …
Dan W's user avatar
  • 4,014