User Mark Foskey

70 votes

Why can't the Earth's core melt the whole planet?

answered Mar 7, 2021 at 19:52

25 votes

What is an electromagnetic wave exactly?

answered Nov 20 at 21:20

17 votes

Which specific law of physics is broken by the "double jump"?

answered Jan 10, 2019 at 13:33

16 votes

What really allows airplanes to fly?

answered Apr 14, 2015 at 1:03

14 votes

Accepted

How does kinetic energy work in braking a vehicle?

answered Oct 18, 2019 at 0:26

14 votes

Why are there only four fundamental interactions of nature?

answered May 24, 2018 at 4:31

13 votes

Why are stars made from hydrogen and helium and not other elements?

answered Aug 27 at 2:03

9 votes

Why are only infrared rays classified as "heat rays"?

answered Sep 15, 2021 at 5:03

6 votes

Is it possible to design a wheel without the wagon-wheel effect?

answered Jun 16 at 1:21

6 votes

Time dilation. Does time dilatation affect physiological processes?

answered Feb 6, 2017 at 22:34

5 votes

Thought Experiment - Poking a stick across a Black Hole's Event Horizon

answered May 12, 2015 at 2:57

5 votes

How can you explain objects of unequal masses falling at the same rate using GR?

answered Jun 16, 2015 at 3:26

5 votes

What does it mean that a falling mass in space doesn't sense any force?

answered Jun 1 at 21:40

5 votes

Is space really expanding?

answered Aug 16, 2021 at 20:51

4 votes

Accepted

Microwave inside-out cooking true/false

answered Feb 21, 2022 at 18:05

4 votes

Is there a definite boundary between a powder and a fluid?

answered May 29, 2015 at 19:12

4 votes

What is meant when the phrase "in principle" is used to explain a concept in physics?

answered Nov 4, 2020 at 4:21

3 votes

Accepted

Would Foucault's pendulum work on the moon?

answered Feb 20, 2021 at 20:14

3 votes

Why, exactly, does temperature remain constant during a change in state of matter?

answered Feb 21, 2021 at 20:05

3 votes

How exactly does curved space-time describe the force of gravity?

answered Apr 17, 2015 at 2:45

3 votes

How do we know the expansion of the universe is "of space" and not "in space" or "into space" or another less intuitive arrangement?

answered Apr 18, 2015 at 4:36

3 votes

Two apparent contradictions in SR involving time dilation and length contraction

answered Sep 8, 2015 at 23:54

3 votes

Does amplitude really go to infinity in resonance?

answered Apr 18, 2022 at 2:32

3 votes

Why does high frequency have high energy?

answered Nov 22, 2022 at 2:17

2 votes

How can a grain of sand be "spaghettified" when nearing a black hole?

answered Feb 3 at 6:15

2 votes

Accepted

Can a planet have multiple significant sized moons?

answered Aug 4 at 1:35

2 votes

Why does the colour wheel wrap around?

answered Jun 17 at 21:17

2 votes

Why do two blurry shadows, when brought close to each other, appear to "bulge" and merge?

answered Jul 13 at 5:21

2 votes

"Reality" of length contraction in SR

answered Sep 13, 2015 at 4:35

2 votes

Do $\vec r$ and $d \vec r$ have the same direction?

answered Oct 7, 2015 at 18:00

Stack Exchange Network

56 Answers

Why can't the Earth's core melt the whole planet?

What is an electromagnetic wave exactly?

Which specific law of physics is broken by the "double jump"?

What really allows airplanes to fly?

How does kinetic energy work in braking a vehicle?

Why are there only four fundamental interactions of nature?

Why are stars made from hydrogen and helium and not other elements?

Why are only infrared rays classified as "heat rays"?

Is it possible to design a wheel without the wagon-wheel effect?

Time dilation. Does time dilatation affect physiological processes?

Thought Experiment - Poking a stick across a Black Hole's Event Horizon

How can you explain objects of unequal masses falling at the same rate using GR?

What does it mean that a falling mass in space doesn't sense any force?

Is space really expanding?

Microwave inside-out cooking true/false

Is there a definite boundary between a powder and a fluid?

What is meant when the phrase "in principle" is used to explain a concept in physics?

Would Foucault's pendulum work on the moon?

Why, exactly, does temperature remain constant during a change in state of matter?

How exactly does curved space-time describe the force of gravity?

How do we know the expansion of the universe is "of space" and not "in space" or "into space" or another less intuitive arrangement?

Two apparent contradictions in SR involving time dilation and length contraction

Does amplitude really go to infinity in resonance?

Why does high frequency have high energy?

How can a grain of sand be "spaghettified" when nearing a black hole?

Can a planet have multiple significant sized moons?

Why does the colour wheel wrap around?

Why do two blurry shadows, when brought close to each other, appear to "bulge" and merge?

"Reality" of length contraction in SR

Do $\vec r$ and $d \vec r$ have the same direction?