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Maxim Umansky's user avatar
Maxim Umansky's user avatar
Maxim Umansky's user avatar
Maxim Umansky
  • Member for 11 years, 6 months
  • Last seen more than a month ago
  • Livermore, CA
201 votes
3 answers
59k views

Surviving under water in air bubble

12 votes
1 answer
2k views

How would you swim in inviscid water?

11 votes
2 answers
730 views

radiation thermodynamics paradox

9 votes
1 answer
19k views

Can a bullet shot through a glass make a clean hole?

7 votes
7 answers
3k views

Buoyancy in muddy water

4 votes
2 answers
417 views

What are the conditions for a heap of identical hard spheres to be in a static equilibrium?

3 votes
3 answers
1k views

instantaneous velocity center

3 votes
0 answers
510 views

Three-log problem [closed]

3 votes
1 answer
368 views

Momentum paradox [duplicate]

3 votes
2 answers
2k views

Human power on treadmill

2 votes
1 answer
121 views

Space acrobatics

1 vote
1 answer
149 views

liquid trapped in wet sponge

1 vote
0 answers
53 views

accelerating a macroscopic object to relativistic speed

1 vote
2 answers
2k views

scaling of motor power

0 votes
2 answers
537 views

A big cannon to match a ballistic missile? [closed]

0 votes
2 answers
135 views

designing a speed bump to enforce a certain speed limit