Mark Foskey's user avatar
Mark Foskey's user avatar
Mark Foskey's user avatar
Mark Foskey
  • Member for 8 years, 11 months
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70 votes

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

27 votes

What is an electromagnetic wave exactly?

17 votes

What really allows airplanes to fly?

17 votes

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

14 votes
Accepted

How does kinetic energy work in braking a vehicle?

14 votes

Why are there only four fundamental interactions of nature?

13 votes

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

9 votes

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

6 votes

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

6 votes

Time dilation. Does time dilatation affect physiological processes?

5 votes

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

5 votes

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

5 votes

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

5 votes

Is space really expanding?

4 votes
Accepted

Microwave inside-out cooking true/false

4 votes

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

4 votes

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

3 votes
Accepted

Would Foucault's pendulum work on the moon?

3 votes

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

3 votes

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

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?

3 votes

Two apparent contradictions in SR involving time dilation and length contraction

3 votes

Does amplitude really go to infinity in resonance?

3 votes

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

3 votes

Why does high frequency have high energy?

2 votes

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

2 votes
Accepted

Can a planet have multiple significant sized moons?

2 votes

Why does the colour wheel wrap around?

2 votes

"Reality" of length contraction in SR

2 votes

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