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Surprised Seagull's user avatar
Surprised Seagull's user avatar
Surprised Seagull's user avatar
Surprised Seagull
  • Member for 3 years, 5 months
  • Last seen more than a week ago
19 votes

Why does water contract on melting whereas gold, lead, etc. expand on melting?

10 votes
Accepted

In our known comprehension of physics, is there any way of generating gravitational force apart from creating a concentration of mass?

6 votes

How do we explain the motion of a time-reversed emptying balloon in vacuum?

4 votes

Why do we study Atomic and molecular physics as a separate part in physics and that also in a very very detailed manner ,when we have proved it wrong

3 votes
Accepted

What does it mean for sunlight to be of low entropy?

3 votes

Nuclear beta decay to hydrogen

3 votes

Man pushes a satellite

3 votes

I improved Maxwell's demon and think that I have broken the Second Law of Thermodynamics!

3 votes

Could mass just be light moving in another dimension?

3 votes

What would happen if you left Earth and then it was destroyed? (Potential energy and thermodynamics)

2 votes

Destroy an asteroid by EM waves by making its crystalline meshes enter in resonance?

2 votes

Why don't stationary charge feel force from a current carrying wire?

2 votes

Stress in a rigid body

1 vote
Accepted

Using abrasive lapping, is it possible to make a perfectly round cylinder starting with imperfect cylinder(s)?

1 vote

What is the furthest thing we can see at the time the light was emitted?

1 vote

Assuming that heat death or Big Freeze would be the final outcome for the universe, what would happen with energy?

1 vote
Accepted

Would shooting an atom out the back of a rocket at the speed of light propel the rocket forward at the speed of light?

1 vote

Is this actually a Group II, Group IV transistor? What should its properties be?

1 vote

Would the Casimir effect make this perpetually rotating engine possible?

1 vote
Accepted

Mass in conservation of linear momentum

1 vote

Internal resistance for a fluid flowing in pipe

1 vote

Time constant versus half-life — when to use which?

1 vote
Accepted

About the spin of fundamental particle

1 vote
Accepted

Magnet with a pole that is both North and South; And adding together magnetic fields?

1 vote

How fast do particles travel in space?

1 vote

Inductance of a coil when the core has a gap

1 vote

Change in velocity of liquid without pressure difference?

1 vote
Accepted

What prevents us from designing material or catalysts to meet the custom requirements?

1 vote

Do magnets have stronger attractive/repulsive forces in space?

0 votes

If electrons expelled from mass increase gravity is that because they increase charge differential between mass and it's electromagnetic field?