User John1024

91 votes

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How does a heatsink on top of a CPU, which is hot, cool down your CPU?

answered Aug 21, 2016 at 22:36

75 votes

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If a lens focuses all incoming light to a point, how do we get 2D images?

answered Aug 13, 2015 at 4:10

48 votes

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Why can we see the moon when it is between the Earth and the Sun?

answered Jul 6, 2016 at 6:22

24 votes

Why can't the Navier Stokes equations be derived from first principle physics?

answered Jun 29, 2015 at 7:39

5 votes

Temperature dependence of spectra

answered Aug 15, 2015 at 22:44

5 votes

Air friction at supersonic velocities

answered Sep 18, 2015 at 0:30

4 votes

Understanding Stagnation point in pitot fluid

answered Nov 10, 2015 at 6:35

4 votes

Under what conditions is air is in chemical equilibrium?

answered Aug 20, 2015 at 5:16

4 votes

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Finding the approximate distance between molecules in a gas

answered Aug 25, 2015 at 8:01

3 votes

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Paradox about the efficiency of a thermal engine

answered Aug 14, 2015 at 6:57

3 votes

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Second Law of Thermodynamics and heating a blackbody with another blackbody

answered Aug 15, 2015 at 6:41

3 votes

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Is temperature the speed of electrons?

answered Jun 29, 2015 at 21:41

3 votes

What could cause a diode laser to be emitting the half-harmonic of the fundamental frequency?

answered Jun 30, 2015 at 21:03

3 votes

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Can I catch a single photon with webcam's CMOS or CCD sensors?

answered Jul 6, 2015 at 18:53

3 votes

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Any scientific basis behind "crystal energy"?

answered Sep 30, 2015 at 7:30

3 votes

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Is it possible to measure temperature using sound?

answered Aug 18, 2015 at 23:27

2 votes

Why does wavelength determine the energy of a photon?

answered Sep 25, 2015 at 0:08

2 votes

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Calculating lens parameters

answered Nov 12, 2015 at 4:07

2 votes

Key Assumption to derive the Uncertainty Principle --- Canonical Conjugate Operators

answered Jul 26, 2016 at 1:12

2 votes

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Conductance of semiconductors at very high temperatures

answered Aug 21, 2016 at 0:33

2 votes

Heat equation with heat loss to surroundings

answered Jun 30, 2015 at 7:11

2 votes

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Textbook explanation of the resonant frequencies of molecules

answered Jul 22, 2015 at 22:49

2 votes

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Can Kinetic Theory obtain fluids behavior?

answered Sep 16, 2015 at 23:23

2 votes

What is Method of Characteristics?

answered Aug 18, 2015 at 1:39

1 vote

Hydrogen Balmer Series

answered Jul 23, 2015 at 0:59

1 vote

Does the spring effect a moving ball?

answered Aug 3, 2015 at 5:51

1 vote

Why can't we increase the speed of sound in a constant Temperature-pressure condition?

answered Jul 10, 2015 at 6:46

1 vote

Accepted

Applying Biot-Savart to a circular loop along central axis

answered Jul 17, 2015 at 21:41

1 vote

How are determined experimentally the energy levels of the atoms ? How is the calibration done to several decimal points?

answered Jul 1, 2015 at 23:17

1 vote

Right Hand Rule on the magnetic field not working?

answered May 2, 2016 at 17:25

Stack Exchange Network

36 Answers

How does a heatsink on top of a CPU, which is hot, cool down your CPU?

If a lens focuses all incoming light to a point, how do we get 2D images?

Why can we see the moon when it is between the Earth and the Sun?

Why can't the Navier Stokes equations be derived from first principle physics?

Temperature dependence of spectra

Air friction at supersonic velocities

Understanding Stagnation point in pitot fluid

Under what conditions is air is in chemical equilibrium?

Finding the approximate distance between molecules in a gas

Paradox about the efficiency of a thermal engine

Second Law of Thermodynamics and heating a blackbody with another blackbody

Is temperature the speed of electrons?

What could cause a diode laser to be emitting the half-harmonic of the fundamental frequency?

Can I catch a single photon with webcam's CMOS or CCD sensors?

Any scientific basis behind "crystal energy"?

Is it possible to measure temperature using sound?

Why does wavelength determine the energy of a photon?

Calculating lens parameters

Key Assumption to derive the Uncertainty Principle --- Canonical Conjugate Operators

Conductance of semiconductors at very high temperatures

Heat equation with heat loss to surroundings

Textbook explanation of the resonant frequencies of molecules

Can Kinetic Theory obtain fluids behavior?

What is Method of Characteristics?

Hydrogen Balmer Series

Does the spring effect a moving ball?

Why can't we increase the speed of sound in a constant Temperature-pressure condition?

Applying Biot-Savart to a circular loop along central axis

How are determined experimentally the energy levels of the atoms ? How is the calibration done to several decimal points?

Right Hand Rule on the magnetic field not working?