User Eric Towers

21 votes

Does it make sense to take an infinitesimal volume of shape other than a cube?

answered Sep 13, 2020 at 15:58

14 votes

Does gravity sometimes get transmitted faster than the speed of light?

answered Feb 1, 2019 at 17:20

12 votes

Seeing something from only one angle means you have only seen (what?)% of its surface area at most?

answered Aug 8, 2017 at 20:50

10 votes

Why are cosine and sine functions used when representing a signal or a wave?

answered Aug 20, 2017 at 17:43

10 votes

Why don't marbles naturally arrange themselves like a crystal?

answered Nov 25, 2018 at 17:32

9 votes

Accepted

Do objects have a tendency to fall in their most aerodynamic position?

answered Oct 31, 2015 at 23:36

8 votes

How can I determine the rpm of a wheel that's spinning really fast?

answered Aug 26, 2017 at 19:45

8 votes

Are force vectors members of a vector space?

answered Mar 25, 2020 at 22:29

7 votes

How do those T-shirts that change color in the sun work?

answered May 24, 2016 at 4:47

6 votes

What is a simple argument to prove that the stars in the sky are further away from the Earth than the Moon?

answered Mar 14, 2020 at 22:48

6 votes

Accepted

Can two people see the same photon?

answered Apr 20, 2019 at 14:33

4 votes

How can the solutions to equations of motion be unique if it seems the same state can be arrived at through different histories?

answered Sep 3, 2018 at 18:09

4 votes

Is there any current technology that depends upon a deep understanding of quarks?

answered Apr 27, 2018 at 7:15

4 votes

Why ket and bra notation?

answered Sep 25, 2016 at 20:11

3 votes

Why is it possible to drive a nail into a piece of wood with a hammer, but it is not possible to push a nail in by hand?

answered Feb 9, 2016 at 13:51

3 votes

Can an object reverse its direction of acceleration even though it continues to move in the same direction?

answered Jul 15, 2014 at 6:40

3 votes

Is my argument deducing from Maxwells equations the exclusion of faster than light travel flawed?

answered Oct 8, 2017 at 17:40

2 votes

Why aren't the 0's significant figures in 0.002?

answered Feb 1, 2019 at 17:02

2 votes

How did people infer that the strong interactions have a large coupling prior to the discovery of QCD?

answered Jul 6, 2017 at 3:25

2 votes

Does a charged particle travelling with uniform velocity induce a magnetic field?

answered Apr 26, 2018 at 12:15

1 vote

Does pure yellow exist in variations we can't discern?

answered Aug 13, 2017 at 5:14

1 vote

What would qualify as a deceleration rather than an acceleration if speed is unchanged?

answered May 4, 2018 at 23:25

1 vote

How is normal force distributed along the surface of contact?

answered Oct 5, 2015 at 4:52

1 vote

How do we know that the cosmic background radiation comes from the early universe?

answered Dec 21, 2015 at 21:38

1 vote

Uncertainty principle with two photons

answered Jul 9, 2014 at 15:06

1 vote

Difference between sunrise and sunset?

answered May 29, 2016 at 21:47

1 vote

Can any gas be liquidified by lowering the temperature?

answered Jun 14, 2014 at 18:50

1 vote

Why the work done in a conservative field around a closed circle does not vanish when calculated in cylindrical coordinates?

answered Jan 30, 2021 at 21:18

1 vote

Why does the optimal angle depend on velocity?

answered Oct 7, 2021 at 16:33

1 vote

Mass-density functions: how is there mass-density at points?

answered Aug 17, 2020 at 19:22

Stack Exchange Network

39 Answers

Does it make sense to take an infinitesimal volume of shape other than a cube?

Does gravity sometimes get transmitted faster than the speed of light?

Seeing something from only one angle means you have only seen (what?)% of its surface area at most?

Why are cosine and sine functions used when representing a signal or a wave?

Why don't marbles naturally arrange themselves like a crystal?

Do objects have a tendency to fall in their most aerodynamic position?

How can I determine the rpm of a wheel that's spinning really fast?

Are force vectors members of a vector space?

How do those T-shirts that change color in the sun work?

What is a simple argument to prove that the stars in the sky are further away from the Earth than the Moon?

Can two people see the same photon?

How can the solutions to equations of motion be unique if it seems the same state can be arrived at through different histories?

Is there any current technology that depends upon a deep understanding of quarks?

Why ket and bra notation?

Why is it possible to drive a nail into a piece of wood with a hammer, but it is not possible to push a nail in by hand?

Can an object reverse its direction of acceleration even though it continues to move in the same direction?

Is my argument deducing from Maxwells equations the exclusion of faster than light travel flawed?

Why aren't the 0's significant figures in 0.002?

How did people infer that the strong interactions have a large coupling prior to the discovery of QCD?

Does a charged particle travelling with uniform velocity induce a magnetic field?

Does pure yellow exist in variations we can't discern?

What would qualify as a deceleration rather than an acceleration if speed is unchanged?

How is normal force distributed along the surface of contact?

How do we know that the cosmic background radiation comes from the early universe?

Uncertainty principle with two photons

Difference between sunrise and sunset?

Can any gas be liquidified by lowering the temperature?

Why the work done in a conservative field around a closed circle does not vanish when calculated in cylindrical coordinates?

Why does the optimal angle depend on velocity?

Mass-density functions: how is there mass-density at points?