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mmc
  • Member for 11 years, 6 months
  • Last seen more than 4 years ago
15 votes
Accepted

How deep in the ocean can a ping-pong ball go before it collapses due to pressure?

13 votes
Accepted

Can a parallel computer simulate a quantum computer? Is BQP inside NP?

11 votes
Accepted

How much of the energy from 1 megaton H Bomb explosion could we capture to do useful work?

10 votes
Accepted

Russian Doll Teller Ulam?

10 votes
Accepted

Can we transport energy over infinite distances through vacuum using light?

8 votes

What does it mean to say "Gravity is the weakest of the forces"?

8 votes

What principles does an air glider use?

6 votes
Accepted

What is the minimum amount of fissile mass required to acheive criticality?

6 votes
Accepted

Can two spaceships go fast enough to pass straight through each other?

6 votes
Accepted

How calculate resistance between two points for arbitrary resistor grid?

5 votes
Accepted

Can an arbitrary RLC-circuit network have non-minimum phase zeros?

5 votes
Accepted

Dimensonal analysis of damping constant?

4 votes
Accepted

How much power can be drawn from stray electromagnetism in the atmosphere?

4 votes
Accepted

How much lead is there in the universe?

4 votes
Accepted

Hohmann transfer orbit questions

4 votes

How would you figure some of the methods (in order of importance) to take a picture of the supersonic bullet with the wave it produce in 1888?

3 votes
Accepted

Stress in a thick-walled pressure vessel

3 votes
Accepted

How beam focusing looks like in electron microscope?

3 votes
Accepted

Is rocket propellant meaningfully a form of "space junk"

3 votes
Accepted

Solving a Young Laplace equation for a meniscus against a flat plate

2 votes
Accepted

N particles, will there be any rotation after a period of time or everything will collapse

2 votes

Will a warm body naturally slowdown?

1 vote
Accepted

Electrical eddy current visualization or simulation

1 vote
Accepted

Madelung constant list (for surfaces as well)

0 votes
Accepted

Constrained particles under distance dependent force

0 votes

How is the double slit experiment modeled in contemporary physical theories?

0 votes

Charge density in concentric spheres