fffred

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Researcher in laser-plasma physics.

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Disable OS X startup sound

yosemite sound-volume asked Jan 19, 2015 at 21:52

apple.stackexchange.com

30 votes

A calculation error made a rebus

rebus asked May 18, 2016 at 7:05

puzzling.stackexchange.com

28 votes

I want to know his secret. Badly

enigmatic-puzzles story asked Apr 8, 2016 at 16:31

puzzling.stackexchange.com

20 votes

Ideas on puzzles for a scientific event

puzzle-creation asked Jul 1, 2016 at 14:09

puzzling.stackexchange.com

20 votes

The great puzzle

knowledge computer-puzzle asked May 19, 2016 at 10:26

puzzling.stackexchange.com

20 votes

Oh no! A hacker has taken control of my computer!

enigmatic-puzzles computer-puzzle asked Apr 4, 2016 at 20:59

puzzling.stackexchange.com

19 votes

Was a class of Dutch school children required to learn Muslim prayer?

islam school netherlands asked Mar 20, 2017 at 16:05

skeptics.stackexchange.com

16 votes

Once soft, suspicious

riddle asked Apr 16, 2016 at 17:16

puzzling.stackexchange.com

14 votes

Has Verlinde's theory made significant advance recently?

thermodynamics gravity cosmology entropy holographic-principle asked Dec 17, 2016 at 14:20

physics.stackexchange.com

13 votes

A regretful word

riddle word asked May 20, 2016 at 14:23

puzzling.stackexchange.com

Top Answers

109

What does antimatter look like?

physics.stackexchange.com

How does a sponge "suck" up water against gravity?

physics.stackexchange.com

Batman and the grid

puzzling.stackexchange.com

Why do we actually see the sun?

physics.stackexchange.com

A riddle - In hope of a fertile land

puzzling.stackexchange.com

How small could an animal be before it is consciously aware of the effects of quantum mechanics?

worldbuilding.stackexchange.com

Why does water have several different solid phase but only one liquid and gas phase

physics.stackexchange.com

Doesn't the use of a thermometer alter the temperature of the system?

physics.stackexchange.com

Mr. Gardner's dessert

puzzling.stackexchange.com

How does light oscillate?

physics.stackexchange.com

Quantum Mechanical Effects of an object accelerating near speed of light $c$?

physics.stackexchange.com

Reason for Debye cutoff frequency?

physics.stackexchange.com

Elle Rend Le Coeur Plus Amoureux

puzzling.stackexchange.com

Next number in Sequence?

puzzling.stackexchange.com

Faster than light in plasma

physics.stackexchange.com

Is it correct to say that light makes things visible but light itself is invisible?

physics.stackexchange.com

Civilized Dolphins and their Record Keeping

worldbuilding.stackexchange.com