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REVIEW THE WIKI BEFORE USING THIS TAG! For questions that require unequivocal proof that answers are correct through the use of equations, empirical evidence, scientific papers, etc. Compare to: science-fiction, science-based and internal-consistency. This tag may not be used alone. This tag may not be used with the science-fiction, science-based, or internal-consistency tags. Flag your question for moderator attention once posted.

19 votes

What single element could destroy the world?

Aluminium - Build a solar shade or solar shades which block most of the light from reaching earth. Temperatures will plunge far below what is survivable, the entire surface will freeze and the Earth w …
Blake Walsh's user avatar
  • 1,814
5 votes

Blind spot in the Solar System

Believe it or not, the best place is just anywhere there isn't anything to point telescopes at. Most telescopes looking for or at things within the solar system are pointed in the plane of the eclipti …
Blake Walsh's user avatar
  • 1,814