User Gerard

87 votes

Why does kinetic energy increase quadratically, not linearly, with speed?

answered Nov 11, 2010 at 2:19

29 votes

Is Angular Momentum truly fundamental?

answered Nov 15, 2010 at 11:42

14 votes

How can I measure the mass of the Earth at home?

answered Nov 8, 2010 at 10:51

10 votes

How can we make an order-of-magnitude estimate of the strength of Earth's magnetic field?

answered Nov 8, 2010 at 13:38

7 votes

What is up and down conversion in photonics?

answered Nov 15, 2010 at 11:12

7 votes

Accepted

Madelung transformation

answered Nov 27, 2010 at 20:40

6 votes

Accepted

What were Einstein's reasons for the work on viscosity/Brownian motion?

answered Feb 10, 2011 at 16:37

4 votes

Why can't the outcome of a QM measurement be calculated a-priori?

answered Nov 8, 2010 at 22:19

4 votes

Why is it so hard to accelerate macroscopic objects?

answered Nov 12, 2010 at 8:13

4 votes

Is electricity instantaneous?

answered Nov 8, 2010 at 8:39

3 votes

Accepted

How is electrical energy transmitted?

answered Nov 24, 2010 at 15:47

2 votes

Why does one experience a short pull in the wrong direction when a vehicle stops?

answered Nov 12, 2010 at 20:29

1 vote

What are insightful/impressive experiments for adults

answered Nov 5, 2010 at 9:38

1 vote

Stellar aberration in a water-filled telescope

answered Apr 1, 2018 at 20:20

0 votes

What does it mean to multiply the precession of the earth's axis with $\sin{(23.5)}$?

answered May 4, 2020 at 17:33

0 votes

Accepted

A little question about $F_g = F_c$

answered Mar 7, 2021 at 20:49

0 votes

Time-reversal in a simple current loop

answered Dec 2, 2021 at 17:25

0 votes

What does it mean a temperature of billions of degrees?

answered Nov 8, 2010 at 14:58

0 votes

Gravity on a doughnut-shaped/Möbius planet

answered Nov 8, 2010 at 16:22

0 votes

Magnetic charge and magnetic fine structure constant in SI units

answered Aug 21, 2017 at 20:15

-1 votes

What happens when particle-antiparticle pairs annihilate in MWI?

answered Apr 2, 2011 at 21:35

Stack Exchange Network

21 Answers

Why does kinetic energy increase quadratically, not linearly, with speed?

Is Angular Momentum truly fundamental?

How can I measure the mass of the Earth at home?

How can we make an order-of-magnitude estimate of the strength of Earth's magnetic field?

What is up and down conversion in photonics?

Madelung transformation

What were Einstein's reasons for the work on viscosity/Brownian motion?

Why can't the outcome of a QM measurement be calculated a-priori?

Why is it so hard to accelerate macroscopic objects?

Is electricity instantaneous?

How is electrical energy transmitted?

Why does one experience a short pull in the wrong direction when a vehicle stops?

What are insightful/impressive experiments for adults

Stellar aberration in a water-filled telescope

What does it mean to multiply the precession of the earth's axis with $\sin{(23.5)}$?

A little question about $F_g = F_c$

Time-reversal in a simple current loop

What does it mean a temperature of billions of degrees?

Gravity on a doughnut-shaped/Möbius planet

Magnetic charge and magnetic fine structure constant in SI units

What happens when particle-antiparticle pairs annihilate in MWI?