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Physics
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Koschi
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105
Why isn't the universe full of electrons?
Jun 11, 2022
15
Proof/explanation that Sun is bigger and more distant from Earth than Moon is, Middle Age technology allowed only
Nov 11, 2021
13
Why does mass limit acceleration?
Apr 19, 2021
11
Is there cosmological redshift within the Milky Way?
Jul 23, 2021
7
Why is it possible to keep an object, say a book, horizontal while holding its corner?
Jan 10
5
How does protons collide and produce heavier particles if light particles can not decay into heavier particles?
May 12, 2023
4
If I put an extra marble in a marble-filled-pipe how fast will one drop out on the other side (and is this different from pushing a stick)?
May 12, 2021
4
The behaviour of acceleration of a ball in motion
Jun 1, 2021
4
How can the cosmological constant be $1/R^2$ and still be constant in time?
Aug 30, 2021
3
If the universe is expanding, how can constants not change?
Apr 18, 2021