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Threads by latest replies - Page 9

(11 replies)
No.12161925 ViewReplyOriginalReport
>Paradox-free time travel is theoretically possible, according to the mathematical modeling of a prodigious University of Queensland undergraduate student.
>"Try as you might to create a paradox, the events will always adjust themselves, to avoid any inconsistency."
>"The range of mathematical processes we discovered show that time travel with free will is logically possible in our universe without any paradox."

https://phys.org/news/2020-09-young-physicist-squares.html
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(5 replies)

relativistic quantum tunneling

No.12163333 ViewReplyOriginalReport
Can an arbitrarily large object tunnel through an arbitrarily thick barrier just by going arbitrarily fast, so length contraction is enough to get the barrier thickness down below the object's Compton wavelength?
(89 replies)
No.12155626 ViewReplyLast 50OriginalReport
Scientifically speaking, what pushes young people to become neets?
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(5 replies)

Space Truckin'

No.12163296 ViewReplyOriginalReport
Post-scarcity being a literal pipe dream, interstellar travel being pragmatically impossible and jumping to another goldilocks planet once we ruin this one off the table, humanity must begin to colonize the planets and moons around us in order to survive. But terraforming such barren wastelands will take immense resources, and to transport such will take serious cargo space. So what kind of vehicles do you envision being developed to transport freight and people across the solar system?
(6 replies)
No.12162920 ViewReplyOriginalReport
If I’m the 100billionth human, can I conclude from this that there’s a 90% chance there won’t be more than another 900 billion humans?
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(11 replies)
No.12160237 ViewReplyOriginalReport
Time doesn't exist because electromagnetism doesn't experience time.
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(10 replies)

Lubos Motl

No.12162911 ViewReplyOriginalReport
thoughts on this guy? some anon said he was a crank but he never backed that up. looking for an honest review.
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(10 replies)
No.12161696 ViewReplyOriginalReport
I refuse to believe that the Twin Paradox isn't a paradox.

You can literally pick either twin and say that the other is the one travelling away.

Even if one twin is accelerating we can just say that twin is stationary and the other is the one accelerating away.

This is fucking bullshit!
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(40 replies)
No.12154052 ViewReplyOriginalReport
How wide are the genetic differences between races? Biofags only please. I know skin color is a fairly irrelevant gene, since most races cover most tones anyway, I mean in terms of intelligence, mental resilience, bone structure, and muscle health. It's hard to find studies that actually care about answering the question, since they're all trying to disprove racism, which may or may not be valid.
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(7 replies)
No.12162419 ViewReplyOriginalReport
any questions?
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