Physics Stack Exchange is a question and answer site for active researchers, academics and students of physics. It's 100% free.

Sign up

Here's how it works:

Anybody can ask a question
Anybody can answer
The best answers are voted up and rise to the top

Explore Our Questions

active 3featured hot week month

more tags

votes

answers

views

Bloch sphere for more than 1 qubit

quantum-mechanics quantum-information

modified 9 mins ago Qmechanic♦ 51.1k

votes

answer

views

What is the relation between Nuclear magnetic resonance (NMR) and electron paramagnetic resonance (EPR)?

electromagnetism solid-state-physics nuclear-physics physical-chemistry

answered 34 mins ago AngusTheMan 754

votes

answers

182

views

Question about Hartle and Hawking's universal wavefunction?

quantum-mechanics quantum-information wavefunction

modified 34 mins ago Community♦ 1

-1

votes

answers

views

Types of mechanics

newtonian-mechanics kinematics terminology statics

modified 36 mins ago Qmechanic♦ 51.1k

votes

answer

views

Why does the vacuum permeability have the value of $\pi$ in it?

electromagnetism units si-units unit-conversion

modified 58 mins ago Qmechanic♦ 51.1k

votes

answers

views

Is there proof gravity bends space or is it just the most convenient explanation?

general-relativity gravity spacetime quantum-gravity curvature

answered 1 hour ago DilithiumMatrix 6,918

votes

answers

views

Which is a good and short book for foundations of quantum mechanics?

quantum-mechanics resource-recommendations quantum-information entanglement quantum-states

answered 1 hour ago Rumpel 44

votes

answers

views

When two variables are found to be proportional in experiment, why is there always a constant added?

electromagnetism newtonian-mechanics

asked 1 hour ago Uys of Spades 125

votes

answers

220

views

Is there a normal downward force here?

newtonian-mechanics forces free-body-diagram

modified 1 hour ago Community♦ 1

votes

answers

views

Computing two-electron integrals within STO-3G basis set

quantum-mechanics computational-physics quantum-chemistry

asked 1 hour ago R.M. 1

votes

answer

views

If time is like space, why entropy always increases with time?

general-relativity spacetime entropy time-travel

modified 1 hour ago gerd 167

votes

answer

views

Proof for quantized angular momentum

quantum-mechanics angular-momentum atomic-physics history discrete

modified 1 hour ago Qmechanic♦ 51.1k

vote

answers

views

Can TE and TM modes propagate together in a waveguide?

electromagnetism waves electromagnetic-radiation

modified 1 hour ago Victor Pira 581

votes

answers

views

Gravities force on space

general-relativity gravity spacetime space-expansion cosmological-inflation

modified 2 hours ago Qmechanic♦ 51.1k

Browse More Questions

current community

your communities

more stack exchange communities

Explore Our Questions

Bloch sphere for more than 1 qubit

What is the relation between Nuclear magnetic resonance (NMR) and electron paramagnetic resonance (EPR)?

Question about Hartle and Hawking's universal wavefunction?

Types of mechanics

Why does the vacuum permeability have the value of $\pi$ in it?

Is there proof gravity bends space or is it just the most convenient explanation?

Which is a good and short book for foundations of quantum mechanics?

When two variables are found to be proportional in experiment, why is there always a constant added?

Is there a normal downward force here?

Computing two-electron integrals within STO-3G basis set

If time is like space, why entropy always increases with time?

Proof for quantized angular momentum

Can TE and TM modes propagate together in a waveguide?

Gravities force on space

Hot Network Questions