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user6972
  • Member for 9 years, 2 months
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29 votes
Accepted

Since cables carry electricity moving at the speed of light, why aren't computer networks much faster?

26 votes
Accepted

What is the difference between stress and pressure?

26 votes
Accepted

Would you see a rainbow from refraction when the sun is in front of you?

23 votes

How do spiral arms form?

20 votes
Accepted

Why doesn't breath condense around poop of flies on the window's glass?

15 votes
Accepted

Example where angular momentum and angular velocity are not parallel

15 votes
Accepted

why can't you use your cellphone on an airplane?

11 votes
Accepted

When does a planet become a star?

11 votes

What is the scientific reason for the inclination of earth's rotation axis?

10 votes
Accepted

Are small speakers inherently limited to higher frequencies?

8 votes

Is a total solar eclipse a common phenomenon?

8 votes

Radio antenna producing waves in the visible spectrum

8 votes

What is the physics behind explosion of Stars?

7 votes

how does international space station change its orientation?

7 votes
Accepted

Measuring temperature at a distance

6 votes
Accepted

How is the energy of a lightning calculated?

6 votes
Accepted

How many oxygen molecules touch you in your lifetime?

6 votes
Accepted

Can bad guys really hide "dirty bomb" material via bananas?

6 votes
Accepted

Transformer and magnetic field/flux through the iron core?

6 votes

How do stun guns not kill people?

6 votes
Accepted

Calculating the mass of a wave of water

6 votes

Where can I find the list of the planetary motion equations?

6 votes
Accepted

Spikes on ferrofluid?

5 votes

what is QCD Background?

5 votes
Accepted

Is the solar energy Infinite?

5 votes

Could you use earth's magnetic field to build a hover skateboard?

5 votes
Accepted

What is the percentage of useful energy do we get from matter-antimatter annihilation?

5 votes

Why is the Higgs boson created so infrequently at the CERN collider?

5 votes
Accepted

Why do some air-conditioned stores blast you with jets of air as you enter?

4 votes

about laser wavelength and wave form