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Posts by wizzwizz4‭

5 posts
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Q&A Can a organism control its metabolism and the heat it's generating?

Yes, it can – they're called “heterotherms”. As with most "can an organism" questions, you only need to look to find some organism that already does this. All hibernating animals (many bears, many...

posted 4y ago by wizzwizz4‭  ·  edited 4y ago by wizzwizz4‭

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Q&A Limitations to replicator technology: energy and fuel

Replicators have become a staple of science fiction. However, many stories treat them as magical, or with inconsistent abilities. This is not a magical device that makes anything for nothing. Whe...

3 answers  ·  posted 6y ago by wizzwizz4‭  ·  last activity 6y ago by wizzwizz4‭

Question chemistry
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Q&A Limitations to replicator technology: energy and fuel

Your replicator is a programmable universal catalyst combined with a 3D printer. It can force any particular chemical reaction to occur over others and deposit the result of that chemical reaction ...

posted 6y ago by wizzwizz4‭  ·  last activity 6y ago by wizzwizz4‭

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Q&A Is it inevitable for tiny humans to have very high pitched voices?

They could have syrinxes in addition to larynges. This would permit them a much greater vocal range, and hence disproportionately low voices for their sizes. (Their voices would still be higher tha...

posted 4y ago by wizzwizz4‭  ·  last activity 4y ago by wizzwizz4‭

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Rigorous Science What would one experience travelling through an invisible Krasnikov tube, and how much could they be used to cut travel times?

What would one experience travelling through an invisible Krasnikov tube? A flat piece of paper doesn't quite lie flat, and the walls on your ship are under considerable stress (unless the ship's...

posted 4y ago by wizzwizz4‭

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