User pentane

32 votes

Why do we use the electron volt?

answered Nov 22, 2016 at 22:29

30 votes

Accepted

Why does a Pewter mug keep a beverage hot better than a foam cup?

answered Feb 9, 2015 at 3:34

15 votes

Accepted

Why solids expand on heating

answered Sep 30, 2016 at 21:02

12 votes

Why does radiance remain constant along rays of light through empty space?

answered Apr 22, 2015 at 18:19

11 votes

What common materials absorb most infrared light?

answered Nov 14, 2014 at 3:48

11 votes

Accepted

Hourglass on the Moon

answered Nov 24, 2014 at 16:33

8 votes

Accepted

Heat Transfer From a Spaceship in Deep Space

answered Jan 16, 2015 at 0:03

7 votes

Accepted

How is wind created?

answered Dec 4, 2014 at 23:42

7 votes

Accepted

Is viscosity simply "slowing down time"?

answered Mar 11, 2015 at 19:21

6 votes

Accepted

Relationship between electrical resistivity and density

answered Jan 16, 2015 at 0:37

6 votes

Accepted

Temperature on the surface of the sun calculated with the Stefan-Boltzmann-rule

answered Nov 14, 2014 at 6:10

4 votes

What do tensile strength values mean and why are they reported in units of pressure?

answered Oct 30, 2014 at 13:31

4 votes

Why is there a voltage drop across things when no current is flowing?

answered Nov 8, 2016 at 17:13

4 votes

What law or formula discusses the relationship between pressure and dew point?

answered Dec 4, 2017 at 7:42

4 votes

When can water be supercooled?

answered Jan 22, 2018 at 12:45

4 votes

Given $2\text{ °C}$ atmospheric temperature rise, what would be the temperature increase if confined to an oven?

answered Apr 24, 2018 at 3:46

4 votes

Why are cooling towers at nuclear power plants shaped the way they are?

answered Sep 16, 2018 at 1:11

3 votes

How to calculate acceleration from power and weight?

answered Apr 28, 2018 at 23:41

3 votes

Air in front of a cyclist hiding behind other cyclists

answered Aug 20, 2017 at 21:35

3 votes

Does radiating heat to outer space through the atmospheric transparency window have any impact on heat loss?

answered Jan 19, 2015 at 22:04

3 votes

What are galactic speeds measured against?

answered Dec 18, 2014 at 15:23

3 votes

Accepted

Confusions in the 'Adhesion Theory of friction.'

answered Oct 30, 2014 at 3:21

3 votes

Will the ball come out of the well or not?

answered Jun 1, 2016 at 20:44

3 votes

Accepted

Are hardness, strength and toughness of materials not the same thing in a way?

answered Jun 10, 2016 at 15:48

3 votes

What is the effect of liquid density on the pitch of a singing wine glass?

answered Jul 6, 2016 at 5:38

2 votes

Accepted

Why is condensed milk glowing green under UV?

answered Apr 1, 2016 at 16:17

2 votes

Accepted

Using infrared temperature sensor to measure water surface temperature

answered Dec 24, 2014 at 14:33

2 votes

Is fuelless aviation possible?

answered Apr 11, 2015 at 13:28

2 votes

Order of magnitude estimation for some intriguing questions

answered Nov 13, 2014 at 6:13

2 votes

What would a graph of temperature increase of a cup of water in a microwave look like?

answered Dec 4, 2014 at 2:28

Stack Exchange Network

73 Answers

Why do we use the electron volt?

Why does a Pewter mug keep a beverage hot better than a foam cup?

Why solids expand on heating

Why does radiance remain constant along rays of light through empty space?

What common materials absorb most infrared light?

Hourglass on the Moon

Heat Transfer From a Spaceship in Deep Space

How is wind created?

Is viscosity simply "slowing down time"?

Relationship between electrical resistivity and density

Temperature on the surface of the sun calculated with the Stefan-Boltzmann-rule

What do tensile strength values mean and why are they reported in units of pressure?

Why is there a voltage drop across things when no current is flowing?

What law or formula discusses the relationship between pressure and dew point?

When can water be supercooled?

Given $2\text{ °C}$ atmospheric temperature rise, what would be the temperature increase if confined to an oven?

Why are cooling towers at nuclear power plants shaped the way they are?

How to calculate acceleration from power and weight?

Air in front of a cyclist hiding behind other cyclists

Does radiating heat to outer space through the atmospheric transparency window have any impact on heat loss?

What are galactic speeds measured against?

Confusions in the 'Adhesion Theory of friction.'

Will the ball come out of the well or not?

Are hardness, strength and toughness of materials not the same thing in a way?

What is the effect of liquid density on the pitch of a singing wine glass?

Why is condensed milk glowing green under UV?

Using infrared temperature sensor to measure water surface temperature

Is fuelless aviation possible?

Order of magnitude estimation for some intriguing questions

What would a graph of temperature increase of a cup of water in a microwave look like?