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What is Chirped Pulse Amplification, and why is it important enough to warrant a Nobel Prize?

optics electromagnetic-radiation laser dispersion chirp asked Oct 2, 2018 at 17:27

physics.stackexchange.com

107 votes

What is the physical meaning of commutators in quantum mechanics?

quantum-mechanics commutator asked Aug 13, 2014 at 11:23

physics.stackexchange.com

72 votes

Can you hear the shape of a drum by choosing where to drum it?

ap.analysis-of-pdes sp.spectral-theory operator-theory isospectrality asked Jan 5, 2016 at 16:29

mathoverflow.net

70 votes

What are the proposed realizations in the New SI for the kilogram, ampere, kelvin and mole?

units conventions si-units metrology asked Nov 18, 2014 at 14:37

physics.stackexchange.com

67 votes

Breaking the HNQ feedback loop on bad questions

feature-request hot-questions asked Oct 19, 2016 at 12:48

meta.stackexchange.com

57 votes

Are there exact analytical solutions to the electronic states of the hydrogen molecular ion $\mathrm H_2^+$?

quantum-mechanics atomic-physics molecules quantum-chemistry asked Jul 4, 2016 at 20:26

physics.stackexchange.com

52 votes

Can we infer the existence of periodic solutions to the three-body problem from numerical evidence?

mathematical-physics newtonian-gravity numerics three-body-problem asked Nov 6, 2013 at 14:52

physics.stackexchange.com

50 votes

Please open the Hot Network Questions to auditing via the Data Explorer

feature-request data-explorer hot-questions asked Nov 15, 2016 at 21:22

meta.stackexchange.com

43 votes

Do Mathematica notebooks include personal metadata?

notebooks security metadata asked Sep 8, 2013 at 21:35

mathematica.stackexchange.com

42 votes

Are there simple ways to numerically solve the time-dependent Schrödinger equation?

quantum-mechanics computational-physics numerics asked Feb 7, 2014 at 21:23

scicomp.stackexchange.com

Top Answers

413

What is Chirped Pulse Amplification, and why is it important enough to warrant a Nobel Prize?

physics.stackexchange.com

294

Opt-in alpha test for a new Stacks editor

meta.stackexchange.com

200

Seeing something from only one angle means you have only seen (what?)% of its surface area at most?

physics.stackexchange.com

190

Why is it "bad taste" to have a dimensional quantity in the argument of a logarithm or exponential function?

physics.stackexchange.com

183

Ch-ch-ch-changes: Left nav, responsive design, & themes

meta.stackexchange.com

179

Would a pin head heated to 15 million degrees Celsius kill everyone in a 1000 mile radius?

physics.stackexchange.com

171

Have researchers managed to "reverse time"? If so, what does that mean for physics?

physics.stackexchange.com

149

Why don't miners get boiled to death at $4$ km deep?

physics.stackexchange.com

112

How can we see an atom now? What was the scale of this equipment?

physics.stackexchange.com

109

Why would a flight from North America to Asia sometimes fly over the Atlantic?

aviation.stackexchange.com

109

Revisiting the "Hot Network Questions" feature, what are our shared goals for having it?

meta.stackexchange.com

101

How many planets are there in this solar system?

astronomy.stackexchange.com

Updating the Hot Network Questions List - now with a bit more network and a little less "hotness"!

meta.stackexchange.com

How does light combine to make new colours?

physics.stackexchange.com

New top bar is coming to the Stack Exchange network

meta.stackexchange.com

Is there oscillating charge in a hydrogen atom?

physics.stackexchange.com

Why aren't rainbows blurred-out into nothing after they are produced?

physics.stackexchange.com

Without the Michelson-Morley experiment, is there any other reason to think speed of light is the universal speed limit?

physics.stackexchange.com

Why do I see a saddle in this picture of a computer screen?

physics.stackexchange.com

Why can't we make a perpetual motion machine by using a magnet to pull up a piece of metal, then letting it fall back down?

physics.stackexchange.com

Can a car steer on a frictionless surface?

physics.stackexchange.com

What are the proposed realizations in the New SI for the kilogram, ampere, kelvin and mole?

physics.stackexchange.com

Do pear-shaped nuclei really have anything to do with time travel?

physics.stackexchange.com

Is it foolish to distinguish between covariant and contravariant vectors?

physics.stackexchange.com

Have I discovered how to calculate the proton's mass using only integers?

physics.stackexchange.com

Allow us to vote to delete from the Android app

meta.stackexchange.com

Planned maintenance scheduled for July 14, 2018 at 13:00 UTC (9AM US/Eastern)

meta.stackexchange.com

Do people wearing glasses have different field of view than those who don't?

physics.stackexchange.com

Apparent Violation of Newton's $3^{\text{rd}}$ Law and the Conservation of Momentum (and Angular Momentum) For a Pair of Charged Particles

physics.stackexchange.com

How wrong are the classical Maxwell's equations (as compared to QED)?

physics.stackexchange.com