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Earth is a Spoon
  • Member for 11 years, 6 months
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20 votes

Is Newton's third law always correct?

16 votes

Recommendations for good Newtonian mechanics and kinematics books

16 votes
Accepted

How do photons travel at a speed that should be impossible to attain?

14 votes

Why the electric potential of Earth is zero?

13 votes

Why would spacetime curvature cause gravity?

12 votes
Accepted

Why is the colour of sunlight yellow?

11 votes

Why quantum mechanics?

11 votes

How Is the Inertial Mass Different From the Gravitational Mass?

8 votes

Binary Star system with one star stationary?

8 votes

What happens to matter in a standard model with zero Higgs VEV?

8 votes

How can a black hole produce sound?

8 votes

Differences between astronomy, astrophysics and cosmology?

7 votes

When I stretch a rubber band, it breaks. When I hold the broken ends together, why doesn't it join again?

6 votes

Radio-dating and the age of the earth

5 votes

Why is lightning more rare during snow storms than rain storms?

5 votes

Force required to drive car

4 votes
Accepted

A black torch to darken everything

4 votes

Does current flow back to the source through earth?

4 votes

What can $E=mc^2$ do?

4 votes

Does the Lorentz transformation not apply to light?

4 votes

When did Voyager-1 achieve Solar System escape velocity?

4 votes

If electromagnetic fields give charge to particles, do photons carry charge?

4 votes

Using Einstein's Relativity: Who is younger?

3 votes
Accepted

Does the mass of a star change as it collapses into a black hole?

3 votes
Accepted

Acceleration is zero, for non-zero net force

3 votes
Accepted

Time dilation at zero velocity (and zero gravity)

3 votes

If I drop a leaf twice from the height of a tree in a completely controlled environment, will the trajectory in each case be the same?

3 votes
Accepted

How am I able to tell whether it is dark or not while eyes closed?

3 votes

Is gravitational time dilation different from other forms of time dilation?

3 votes

Does a light wave that has been cancelled by another light wave continue traveling forward?