User RogerJBarlow

51 votes

Why don't we percieve chords like we perceive the mix of two light waves?

answered Oct 22, 2020 at 17:17

43 votes

What's the significance of the nickel crystal in the Davisson and Germer experiment?

answered Aug 12, 2018 at 11:30

37 votes

Given Newton's third law, why are things capable of moving?

answered May 29, 2018 at 19:58

36 votes

Physical meaning of the Coriolis force

answered Feb 28, 2020 at 8:52

22 votes

Why is a particle non-relativistic when its kinetic energy is small compared to its rest energy?

answered Feb 8, 2019 at 16:19

21 votes

Why does the Schrödinger equation work so well for the hydrogen atom despite the relativistic boundary at the nucleus?

answered Jun 1, 2019 at 16:32

20 votes

Accepted

In which experiment did protons seem to consist of infinite amount of quarks?

answered May 13, 2018 at 23:16

20 votes

Why don't we use rapidity instead of velocity?

answered Apr 28, 2020 at 10:57

19 votes

Why don't very high order Feynman diagrams contribute significantly?

answered Feb 11, 2019 at 18:19

17 votes

Accepted

Proton Antiproton collision

answered Nov 18, 2020 at 11:27

16 votes

Accepted

Aluminium shielding on a cobalt-60 source increases impulse rate

answered Mar 26, 2020 at 10:17

14 votes

Accepted

Is spin necessary for electromagnetism?

answered Oct 13, 2020 at 9:45

13 votes

How many photons are in a microwave oven?

answered May 3, 2020 at 9:29

12 votes

Accepted

Moment of inertia: why $\mathrm{dI}=r^2\mathrm{dm}$ instead of $\mathrm{dI}=m\mathrm{dr^2}$?

answered Jun 13, 2018 at 12:59

11 votes

Accepted

Why does charmonium (and phi mesons) not decay via quark and antiquark annihilation?

answered May 30, 2019 at 8:25

11 votes

Why does moving air feel colder?

answered May 3, 2020 at 19:32

11 votes

Accepted

How to measure the mass of alpha particle?

answered Oct 31, 2020 at 9:57

9 votes

Antimatter particle in bananas

answered Feb 10, 2019 at 12:02

8 votes

If a neutron decays to proton + electron, and a proton can decay into neutron + positron, doesn't this mean neutron = neutron + electron + positron?

answered May 10, 2020 at 12:59

7 votes

Accepted

Does theory allow that one neutrino is massless and the other two not?

answered Feb 24, 2020 at 18:55

7 votes

Why does the Higgs field fall into the same ground state at all points across space?

answered Jun 17, 2019 at 10:45

7 votes

Why does space expansion not expand matter?

answered Apr 29, 2018 at 15:14

6 votes

Heating effect of electric current: Will this really happen?

answered May 8, 2018 at 12:38

5 votes

Accepted

Actual Degree of Freedom of Diatomic Molecule

answered Jul 23, 2018 at 18:54

5 votes

How do polarized sunglasses reduce glare?

answered May 29, 2018 at 18:51

5 votes

More appropriate statement for the SHM

answered May 1, 2020 at 9:49

5 votes

Are photons emitted and absorbed in a direction mostly perpendicular to the acceleration of a charge?

answered Sep 1, 2020 at 7:36

5 votes

Accepted

Would I have to find Clecbsh-Gordon coefficients for this question?

answered Dec 22, 2021 at 12:23

5 votes

Accepted

How does $s$ subshell not have a node in the center despite the nucleus being there?

answered May 16, 2022 at 15:00

4 votes

How can I see mathematically with Feynman rules of QED that same charges repel and opposite charges attract?

answered Aug 10, 2022 at 16:14

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262 Answers

Why don't we percieve chords like we perceive the mix of two light waves?

What's the significance of the nickel crystal in the Davisson and Germer experiment?

Given Newton's third law, why are things capable of moving?

Physical meaning of the Coriolis force

Why is a particle non-relativistic when its kinetic energy is small compared to its rest energy?

Why does the Schrödinger equation work so well for the hydrogen atom despite the relativistic boundary at the nucleus?

In which experiment did protons seem to consist of infinite amount of quarks?

Why don't we use rapidity instead of velocity?

Why don't very high order Feynman diagrams contribute significantly?

Proton Antiproton collision

Aluminium shielding on a cobalt-60 source increases impulse rate

Is spin necessary for electromagnetism?

How many photons are in a microwave oven?

Moment of inertia: why $\mathrm{dI}=r^2\mathrm{dm}$ instead of $\mathrm{dI}=m\mathrm{dr^2}$?

Why does charmonium (and phi mesons) not decay via quark and antiquark annihilation?

Why does moving air feel colder?

How to measure the mass of alpha particle?

Antimatter particle in bananas

If a neutron decays to proton + electron, and a proton can decay into neutron + positron, doesn't this mean neutron = neutron + electron + positron?

Does theory allow that one neutrino is massless and the other two not?

Why does the Higgs field fall into the same ground state at all points across space?

Why does space expansion not expand matter?

Heating effect of electric current: Will this really happen?

Actual Degree of Freedom of Diatomic Molecule

How do polarized sunglasses reduce glare?

More appropriate statement for the SHM

Are photons emitted and absorbed in a direction mostly perpendicular to the acceleration of a charge?

Would I have to find Clecbsh-Gordon coefficients for this question?

How does $s$ subshell not have a node in the center despite the nucleus being there?

How can I see mathematically with Feynman rules of QED that same charges repel and opposite charges attract?