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Adam Zalcman's user avatar
Adam Zalcman's user avatar
Adam Zalcman's user avatar
Adam Zalcman
  • Member for 12 years, 6 months
  • Last seen this week
68 votes
Accepted

What is a Lorentz boost and how to calculate it?

33 votes
Accepted

How did Rømer measure the speed of light by observing Jupiter's moons, centuries ago?

31 votes
Accepted

Do all frequencies of light have the same speed?

25 votes

How does gravity work underground?

21 votes
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Why do the planets' orbital distances fall on an exponential curve?

19 votes
Accepted

Which direction does air flow?

12 votes

Differentiating the ideal gas law

11 votes
Accepted

Magnetic fields and friction

11 votes

Do bats use special relativity when they use echolocation?

9 votes
Accepted

Do the trigonometric functions preserve units?

8 votes
Accepted

superconductor levitating in earth's magnetic field?

8 votes

How do I calculate the time it would take for a space craft launching from earth to reach another planet?

8 votes
Accepted

If 2 bodies are moving at equal speed parallel, and one throws something at a right angle to itself, will the thing thrown hit the other body?

8 votes
Accepted

Predicting solar storms?

7 votes

$n$-fold degeneracy, ground state, toric code

7 votes

Can Plasma Ignite?

7 votes

When has the speed of light been measured, recently?

6 votes
Accepted

What is escape velocity? In reality, how can something no longer be under the gravitational influence of something else?

6 votes
Accepted

Why can't airplanes just keep going up?

6 votes
Accepted

Visible light spectrum to color space

5 votes

Earth's stationary iron core

5 votes
Accepted

What does a unitary transformation mean in the context of an evolution equation?

5 votes

What is a quantum state?

5 votes
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Can CMEs disturb a planet orbit?

5 votes

How exactly does mass affect speed?

5 votes
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What does $\textbf{f} = -\boldsymbol{\nabla} u$ mean in practice and how is it computed?

4 votes
Accepted

Using CO2 to air condition a room

4 votes
Accepted

Sign of Velocity for a Falling Object

4 votes

Motion is relative, right? And most pop sci relativity explanations are somewhat incorrect?

4 votes
Accepted

What are the specific electronic properties that make an atom ferromagnetic versus simply paramagnetic?