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James Jenkins's user avatar
James Jenkins's user avatar
James Jenkins's user avatar
James Jenkins
  • Member for 7 years, 6 months
  • Last seen more than 3 years ago
15 votes

Guns in space with bullets that return?

9 votes

Minimizing the Side Effects of Breathable Outer-Space

4 votes

How long would it take for people to notice a mass disappearance?

4 votes

In a cemetery, what evidence could be found that humans were intelligent and had technology?

3 votes

How to make an animal which can only breed for a certain number of generations?

2 votes

Could a fungus fuse itself to a living creature and how could the creature pass this on?

2 votes

Why is transplanting a specific intact brain impossible if it is generally possible?

2 votes

Can I use a trebuchet to launch satellites into space from a lunar colony?

1 vote

Finding Earth on a star-map

1 vote

In a world with a single operating system, how can we avoid user tracking?

0 votes

How long will it take for the amount of living to exceed the dead population?

0 votes

Could a small country economically construct rudimentary aircraft carrier?

0 votes

How could a planet have one hemisphere way warmer than the other without the planet being tidally locked?

-1 votes

Rings made out of water?