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9 answers
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Can an n-dimensional being hurt an (n+x)-dimensional being?

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Curtis Vaughn Thompson
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3 votes
7 answers
2k views

Combat between flying power armor: how would it work

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Corey
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1 vote
2 answers
92 views

Maximizing efficiency of the The geodesic sphere (literally being on cloud nine)

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Josh King
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4 votes
4 answers
801 views

What causes my expedition RTG to produce way less power when deployed in a magic realm

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Starfish Prime
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2 votes
1 answer
148 views

Formula for determining maximum flight speed of superpowered individuals

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Monty Wild♦
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5 votes
2 answers
111 views

How might the surface of a tectonically active planet appear without a global ocean?

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Pseudosapient
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4 votes
2 answers
144 views

How to increase the structural integrity of comets (for the purpose of moving them)?

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FluidCode
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14 votes
15 answers
3k views

Would Artificial Gravity With Short Range Be Possible?

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Pica
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4 answers
333 views

Semi-FTL quantum communications

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Nuclearman
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3 votes
2 answers
271 views

Could a solid metal, tapered, segmented whip with a tip of equal mass to a 5.56 round produce fire arm like ballistics if cracked? (Not on the ground)

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CommunityBot
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5 votes
4 answers
2k views

If I move momentum from someone's body to the ground, creating thrust, am I violating the laws of thermodynamics, even though I conserve momentum?

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Nosajimiki
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11 votes
10 answers
2k views

Definite pitch designs only, what musical instrument and class of musical instruments would be easiest to design if the world reset?

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Nosajimiki
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5 votes
2 answers
201 views

How much weight could a sauropod carry or pull?

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John
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9 votes
3 answers
3k views

How do rivers work in a hyperbolic world?

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Kroltan
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