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user273872
  • Member for 9 years, 1 month
  • Last seen more than 1 year ago
75 votes
5 answers
22k views

Why is it cold on the sea floor if pressure heats things?

72 votes
6 answers
15k views

Could a computer unblur the image from an out of focus microscope?

23 votes
1 answer
1k views

How can my window not scramble the image of my yard?

23 votes
1 answer
1k views

How come I never see cosmic rays in steam like they appear in a cloud chamber?

4 votes
4 answers
198 views

Are there any planned experiments to intentionally create black holes in the lab for study?

4 votes
1 answer
1k views

Does the force on the bottom piece of a hummingbird feeder depend on the height of the water in the reservoir?

4 votes
5 answers
4k views

How hot would it get, if you put a greenhouse inside of a greenhouse inside of a greenhouse (like those Russian matryoshka dolls)?

3 votes
1 answer
2k views

Can you use sun light to heat an objects surface to hotter than the surface of the Sun? [closed]

3 votes
3 answers
214 views

What happens to the probability wave of a particle after it goes into a black hole?

3 votes
0 answers
3k views

A lot of high power microscopes have 2500x magnification, why that specific number?

2 votes
0 answers
38 views

Does quantum mechanics have any insight into why and how photons get adsorbed into atoms? [duplicate]

2 votes
2 answers
1k views

How do you calculate the resulting magnetic field for multiple sources?

2 votes
1 answer
458 views

What happens to the total volume of a chunk of space that is being sucked into a black hole?

1 vote
1 answer
39 views

Can induced current in a transformers magnetic core be a good thing?

1 vote
3 answers
2k views

In evaporative cooling does the water and the air both cool down? Wouldn't that violate energy conservation?

1 vote
0 answers
39 views

Can noise cancellation be explained with a particle model of air?

1 vote
2 answers
316 views

If inductive reactance increases with frequency why do tesla coils have coils?

1 vote
1 answer
104 views

When using radar in space to find asteroids is it helpful to know the distance? Or do you just need the direction?

1 vote
1 answer
26 views

How does static protection really work?

1 vote
0 answers
18 views

How does a super capacitor supply extra energy to an external circuit if the electrolyte doesn't go anywhere

1 vote
3 answers
89 views

Would it be possible to invert a tokamak to make a solar probe?

1 vote
1 answer
63 views

Direction of lorentz force, is one of these websites wrong?

1 vote
2 answers
417 views

How much force applied to canal wall from that cargo ship given 220,000 tons and 12.8 knots?

0 votes
1 answer
40 views

Physics of ballasting a transformer, does ballast have an equation?

0 votes
0 answers
122 views

Can you use a pringles can spectrometer for identifying chemicals

0 votes
1 answer
43 views

Does a larger pressure chamber fail easier at the same pressure?

0 votes
4 answers
539 views

How is energy conserved in a theoretical circuit where you put a lightbulb and two rechargeable batteries like... (diagram included)

0 votes
1 answer
133 views

Why wouldn't a mirror next to a blackbody heat parts of it higher than the initial temperature

0 votes
1 answer
97 views

If a satellite had a huge permanant magnet, how long (if at all) would it take for the other satellites to move towards it?

0 votes
1 answer
263 views

Would graphene as a bulk material act the same as the single layer