What do you think is truly impossible in the universe?

Talk about scientific and technological developments in the future
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Maximum7
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What do you think is truly impossible in the universe?

Post by Maximum7 »

What science, technology, astronomical bodies, energy sources or engineering projects truly cannot exist in the universe?
firestar464
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Re: What do you think is truly impossible in the universe?

Post by firestar464 »

violation of thermodynamics
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wjfox
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Re: What do you think is truly impossible in the universe?

Post by wjfox »

Perpetual motion machines.
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Bird
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Re: What do you think is truly impossible in the universe?

Post by Bird »

Faster-than-light travel.
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Tadasuke
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Re: What do you think is truly impossible in the universe?

Post by Tadasuke »

Going back in time probably.

Though it's possible to slow down time, you would still move forward in time, I don't think it's really feasible to go backwards. But there will be virtual simulations.
Global economy doubles in product every 15-20 years. Computer performance at a constant price doubles nowadays every 4 years on average. Livestock-as-food will globally stop being a thing by ~2050 (precision fermentation and more). Human stupidity, pride and depravity are the biggest problems of our world.
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