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202
How do towels stay on hooks?
physics.stackexchange.com

60
Could a human beat light in a footrace?
physics.stackexchange.com

37
Why not take a picture of a closer black hole?
astronomy.stackexchange.com

24
Does the mass of a bicycle directly affect stopping distance?
physics.stackexchange.com

13
The polar ice caps are melting. Can I replace them with icebergs made of pykrete?
worldbuilding.stackexchange.com

11
What was the 'quantum mechanics' before quantum mechanics?
physics.stackexchange.com

10
What's a plausible way prove the existence of the “electron” to the doubters?
worldbuilding.stackexchange.com

10
Understanding voltage and power in the fluid analogy for DC circuits
physics.stackexchange.com

8
Derivation of Relativity of Simultaneity
physics.stackexchange.com

7
Could geniuses of the past catch up in a few months?
worldbuilding.stackexchange.com

7
Resources for planning and schedule a launch-watching day-trip in Florida?
space.stackexchange.com

6
Amateur radioastronomy: dish suggestions
astronomy.stackexchange.com

6
Calculating eclipse periods
worldbuilding.stackexchange.com

6
Will be possible in the far future to use megascale engineering to create a ringworld around Earth?
worldbuilding.stackexchange.com

6
Why does foam in a rotating liquid accumulate near the centre?
physics.stackexchange.com

6
What is the cause of "Static Pressure" in flowing fluids? How do we understand the idea of static pressure intuitively?
physics.stackexchange.com

5
Why would a race with high longevity but low numbers be aggressive and warlike?
worldbuilding.stackexchange.com

5
I'd like to set up a UI for a 2D square to access the internet-- any ideas?
worldbuilding.stackexchange.com

5
Crater experiment for Newton's second law of motion
physics.stackexchange.com

5
Wading through high-inertia particulates: how could pre-modern technology best approximate a protective, slick, waterproof suit?
worldbuilding.stackexchange.com

5
Bouncing Beads of Blood - Just how cold would it have to be?
worldbuilding.stackexchange.com

5
Where is the energy transfer from a metal ball falling from a magnet?
physics.stackexchange.com

5
Does rolling friction increase speed of a wheel?
physics.stackexchange.com

5
Simulator for trajectories of charged particles in electric fields?
physics.stackexchange.com