User Val

8 votes

4 answers

4k views

Optimal speed for the water wheel

asked Jun 20, 2014 at 12:43

6 votes

5 answers

4k views

Relativistic origin of magnetic field

asked May 2, 2013 at 8:36

5 votes

1 answer

2k views

What do up-left orthogonality has in common with up-down and what is their relationship?

asked Jun 9, 2013 at 15:57

5 votes

6 answers

5k views

Why it is colder in mountains, at high altitudes?

asked Jul 18, 2015 at 12:01

3 votes

1 answer

344 views

Why do organisms accumulate potential energy?

asked Sep 27, 2013 at 9:53

3 votes

3 answers

588 views

Configuration space of particles in the box

asked Oct 24, 2013 at 16:52

3 votes

2 answers

358 views

How irreversible processes are possible? [duplicate]

asked Nov 21, 2013 at 19:11

3 votes

1 answer

237 views

What is the basic idea behind how quantum computation is supposed to work?

asked Dec 30, 2012 at 13:58

3 votes

6 answers

2k views

Relativistic charge density in a closed loop

asked May 2, 2013 at 8:29

3 votes

1 answer

953 views

Black Hole evaporation through virtual couples at the horizon

asked Dec 14, 2013 at 12:10

3 votes

4 answers

430 views

Coherence effect on collecting sun light by mirrors

asked Jan 21, 2014 at 17:16

2 votes

1 answer

297 views

${1 \over T} e^{-i/T}$ for Boltzmann-Gibbs distribution

asked Dec 15, 2013 at 18:48

2 votes

1 answer

217 views

greenhouse trap and perpetual motion

asked Nov 19, 2012 at 19:26

1 vote

1 answer

267 views

How does acceleration affect the orbit?

asked Jul 21, 2014 at 11:23

1 vote

3 answers

571 views

How is this possible that photons are absorbed?

asked Jul 26, 2015 at 20:43

0 votes

1 answer

52 views

Why is up vector orthogonal to left vector?

asked Mar 30, 2017 at 20:14

0 votes

1 answer

356 views

Why body starts moving when force is applied? [duplicate]

asked May 8, 2013 at 20:02

0 votes

1 answer

3k views

measuring electromagnetic induction

asked Apr 26, 2013 at 17:38

0 votes

1 answer

208 views

What do they mean by $\langle u_i |O| u_j\rangle$ in quantum mechanics

asked Dec 10, 2013 at 16:31

-3 votes

3 answers

2k views

There must be free positive charges, moving oppositely to electrons for the wire with current to stay neutral

asked May 6, 2013 at 19:18

Stack Exchange Network

20 Questions

Optimal speed for the water wheel

Relativistic origin of magnetic field

What do up-left orthogonality has in common with up-down and what is their relationship?

Why it is colder in mountains, at high altitudes?

Why do organisms accumulate potential energy?

Configuration space of particles in the box

How irreversible processes are possible? [duplicate]

What is the basic idea behind how quantum computation is supposed to work?

Relativistic charge density in a closed loop

Black Hole evaporation through virtual couples at the horizon

Coherence effect on collecting sun light by mirrors

${1 \over T} e^{-i/T}$ for Boltzmann-Gibbs distribution

greenhouse trap and perpetual motion

How does acceleration affect the orbit?

How is this possible that photons are absorbed?

Why is up vector orthogonal to left vector?

Why body starts moving when force is applied? [duplicate]

measuring electromagnetic induction

What do they mean by $\langle u_i |O| u_j\rangle$ in quantum mechanics

There must be free positive charges, moving oppositely to electrons for the wire with current to stay neutral