User TROLLHUNTER

103 votes

Cooling a cup of coffee with help of a spoon

answered Feb 17, 2011 at 14:31

19 votes

Can magnets rotate infinitely?

answered Dec 23, 2010 at 8:29

16 votes

Home experiments to derive the speed of light?

answered Dec 11, 2010 at 4:08

13 votes

Accepted

Why are "heavier" particles harder to detect than "lighter" ones?

answered Dec 18, 2010 at 6:49

11 votes

Accepted

Why does the cart move?

answered Dec 20, 2010 at 15:21

10 votes

Can pure maths create new theories in physics or does the "idea" ALWAYS come before the math?

answered Feb 9, 2011 at 10:17

7 votes

Accepted

What happens to an astronaut who's floating in a spaceship (in space) when it begins to move?

answered Jan 25, 2011 at 17:58

6 votes

Can I levitate an object without using an electromagnet?

answered Dec 18, 2010 at 5:00

6 votes

Accepted

Brachistochrone Problem for Inhomogeneous Potential

answered Mar 22, 2011 at 19:12

5 votes

Accepted

Electric Potential

answered Mar 7, 2011 at 1:53

5 votes

Does 'electricity' have mass? Is 'electricity' tangible?

answered Dec 23, 2010 at 14:54

5 votes

Accepted

What does the optical zoom in telescopes do?

answered Dec 23, 2010 at 15:04

4 votes

Rotate a long bar in space and get close to (or even beyond) the speed of light $c$

answered Jan 13, 2011 at 14:59

4 votes

Accepted

How to correctly show units with a vector?

answered Jan 13, 2011 at 18:43

4 votes

Don't heavier objects actually fall faster because they exert their own gravity?

answered Jan 21, 2011 at 20:57

4 votes

What does it take to become a top physicist?

answered Feb 19, 2011 at 21:45

4 votes

Accepted

How can you tell a model explosion from the real thing?

answered Apr 13, 2011 at 6:21

4 votes

Does it matter how you order your tug-of-war participants?

answered Jun 30, 2011 at 16:40

3 votes

Accepted

Why must $\Psi (x,t)$ go to zero faster than $\frac{1}{\sqrt{|x|}}$?

answered Jul 14, 2012 at 11:46

3 votes

Does the rotational speed of a planet consistently become faster and faster given that there are no conflicting events?

answered Apr 3, 2011 at 14:38

3 votes

Laws and theories

answered Mar 2, 2011 at 23:17

3 votes

Special designs to reduce the electrical resistance of a wire

answered Jan 21, 2011 at 14:54

3 votes

Conjectures that have been disproved with extremely large counterexamples

answered Feb 25, 2011 at 14:33

3 votes

Accepted

Non Classical mechanic answer to : length of time a thrown object spends in rest before falling down?

answered Jan 19, 2011 at 21:03

3 votes

"Magnetic mnemonics"

answered Jan 11, 2011 at 14:01

3 votes

Is temperature in vacuum zero?

answered Dec 19, 2010 at 13:19

2 votes

How come gas molecules don't settle down?

answered Dec 18, 2010 at 4:39

2 votes

Accepted

Negative vectors (e.g. velocity)

answered Jan 13, 2011 at 19:48

2 votes

Is there an explicit angular momentum in Maxwell equations?

answered Jan 26, 2011 at 13:44

2 votes

Does entropy apply to Newton's First Law or does "acted upon" always require an external factor?

answered Feb 1, 2011 at 15:54

Stack Exchange Network

60 Answers

Cooling a cup of coffee with help of a spoon

Can magnets rotate infinitely?

Home experiments to derive the speed of light?

Why are "heavier" particles harder to detect than "lighter" ones?

Why does the cart move?

Can pure maths create new theories in physics or does the "idea" ALWAYS come before the math?

What happens to an astronaut who's floating in a spaceship (in space) when it begins to move?

Can I levitate an object without using an electromagnet?

Brachistochrone Problem for Inhomogeneous Potential

Electric Potential

Does 'electricity' have mass? Is 'electricity' tangible?

What does the optical zoom in telescopes do?

Rotate a long bar in space and get close to (or even beyond) the speed of light $c$

How to correctly show units with a vector?

Don't heavier objects actually fall faster because they exert their own gravity?

What does it take to become a top physicist?

How can you tell a model explosion from the real thing?

Does it matter how you order your tug-of-war participants?

Why must $\Psi (x,t)$ go to zero faster than $\frac{1}{\sqrt{|x|}}$?

Does the rotational speed of a planet consistently become faster and faster given that there are no conflicting events?

Laws and theories

Special designs to reduce the electrical resistance of a wire

Conjectures that have been disproved with extremely large counterexamples

Non Classical mechanic answer to : length of time a thrown object spends in rest before falling down?

"Magnetic mnemonics"

Is temperature in vacuum zero?

How come gas molecules don't settle down?

Negative vectors (e.g. velocity)

Is there an explicit angular momentum in Maxwell equations?

Does entropy apply to Newton's First Law or does "acted upon" always require an external factor?