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Mark H

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186
Why does a yellow object turn white under a yellow light? Shouldn't it turn yellow instead?
physics.stackexchange.com

127
Why isn't my calculation that we should be able to see the sun well beyond the observable universe valid?
physics.stackexchange.com

81
What are gravitational waves made of?
physics.stackexchange.com

76
Why aren't the energy levels of the Earth quantized?
physics.stackexchange.com

67
Why does moving air feel colder?
physics.stackexchange.com

51
Is the angular momentum of the ceiling fan quantized?
physics.stackexchange.com

47
Is light only emitted by atoms? i.e are they the only source of light in the universe?
physics.stackexchange.com

45
How is momentum conserved in diffraction?
physics.stackexchange.com

40
Can we run out of gravitational (tidal) energy?
physics.stackexchange.com

38
Why does blowing a whistle in someone's ear damage it more than blowing directly in their ear? Won't the whistle reduce overall energy?
physics.stackexchange.com

36
Ball thrown faster than terminal velocity
physics.stackexchange.com

35
What equation produces this curve?
math.stackexchange.com

35
If a compass is placed near the middle of the magnet, where will the compass needle point?
physics.stackexchange.com

32
Why is the length of the Kelvin unit of temperature equal to that of the Celsius unit?
physics.stackexchange.com

32
What do physicists mean by "information"?
physics.stackexchange.com

31
Is this a photo of a historical reinactment of an 1868 treaty signing?
history.stackexchange.com

31
Suppose there is a 50 watt infrared bulb and a 50 watt UV bulb. Do they emit light of the same energy?
physics.stackexchange.com

30
Why is conductivity defined as the inverse of resistivity?
physics.stackexchange.com

29
Why isn't current carried through a vacuum?
physics.stackexchange.com

29
Where is potential energy stored in a human body?
physics.stackexchange.com

28
Could pressing the brakes on a car in mid-air affect its pitch rotation?
physics.stackexchange.com

27
A study on the speed of gravity
physics.stackexchange.com

27
Pascal's Triangle Generator
codereview.stackexchange.com

27
Concrete vectors spaces without an obvious basis or many "obvious" bases?
matheducators.stackexchange.com

25
Are there any satellite orbit earth perpendicular to the sun and what is the name of this kind of orbit?
physics.stackexchange.com

23
Why is the information paradox restricted to black holes?
physics.stackexchange.com

23
Does a charged particle travelling with uniform velocity induce a magnetic field?
physics.stackexchange.com

23
When galaxies collide, what happens to dark vs. light matter?
physics.stackexchange.com

20
How should a string be laid on a disk to minimize the expected shortest distance between a random point on the disk and the string?
math.stackexchange.com

20
Question about Gödel's Incompleteness Theorem
math.stackexchange.com

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