user avatar
user avatar
user avatar
docscience
  • Member for 8 years, 2 months
  • Last seen more than a month ago
  • Southern California
31 votes
Accepted

Why don't gas flames radiate much heat directly, but metal objects heated by them do?

19 votes
Accepted

How do we stabilise satellites so precisely?

14 votes

If two sound waves that are different frequencies create beats that occur several hundred times per second, can you hear this effect as its own tone?

11 votes

If ball bouncing looks like a modulated absolute value of a sine wave, then why not model bouncing this way?

9 votes
Accepted

Does breathing on your glasses help with cleaning?

9 votes

Why doesn't a cigarette lighter generate thrust?

8 votes
Accepted

Why do people only float in certain orientations?

8 votes

Does holding weights allow you to run faster?

7 votes

Is it possible to build an air compressor with no moving parts?

7 votes

What is the simplest possible experiment that proves that there are atoms?

6 votes

Why do objects have resonance at natural frequency?

6 votes

How can one derive Schrödinger equation?

6 votes

Pressure loss in an infinite pipe

5 votes

Why pressure cooker is more effective in cooking than any vessel?

5 votes
Accepted

Radon or cosmic ray?

5 votes

What is strapdown integration?

5 votes

Burning vs Melting - when applied to cooking chocolate

5 votes

Pressure change when closing valve inside a column of water

5 votes

What makes Jacob's ladder spark to go upwards?

5 votes

Living organisms decrease or increase entropy?

5 votes
Accepted

Does barometer improve gps position accuracy?

5 votes

Why do we use orthogonal axes?

5 votes
Accepted

Why does water appear still near the shore

5 votes

Is a chain REALLY only as strong as its weakest link

5 votes

Why are angles dimensionless and quantities such as length not?

5 votes

Would a propeller underwater have thrust?

5 votes

Work = Force x Distance vs Displacement

5 votes

Why is it impossible to build an air filter that lowers the average velocity of the air molecules in a house?

4 votes

Why does an imploding tank car implode so quickly?

4 votes

Why does the armature of a AC and DC generater rotate?

1
2 3 4 5
12