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How can I balance between tidal locking and having high tides?

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2 answers
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Optimal design for large space-based radiators

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1 answer
4k views

How fast do you have to be to punch through a steel door?

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Subterranean river drainage

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5 answers
821 views

Would Europeans be effective slaves on Caribbean Plantations?

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What would cause species only distantly related and with vast morphological differences to still be able to interbreed?

7 votes
13 answers
4k views

How could a city build a circular canal?

2 votes
6 answers
405 views

How do you prove whether there are four elements?

20 votes
10 answers
4k views

How could cowboys and settlers in the 1880s slay a dragon?

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5 answers
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What materials are industrially useful, stored in barrels, and explosive?

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60 views

what wounds would a plasma weapon actually create?

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7 answers
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How difficult would it be to make high-power energy weapons undetectable?

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Using telekinesis to minimize the effects of g force on the human body

2 votes
3 answers
147 views

How would a planet with 12 luna sized moons work, orbitally speaking?

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