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Top Questions
18
votes
What is the current limit for a photon's rest mass?
photons
mass
measurements
asked Feb 10, 2021 at 19:49
physics.stackexchange.com
Top Answers
27
Why are winches not used for towing commercial planes up?
aviation.stackexchange.com
24
Why are there extra restrictions on constant-speed propellers?
aviation.stackexchange.com
21
How do we know the precise position of the JWST?
space.stackexchange.com
17
How does a computer know which device is connected to the usb port?
superuser.com
16
How was it back then in 1984, when the Apple II had color, and the new Macintosh didn't?
retrocomputing.stackexchange.com
15
Job prospects after math PhD in cryptography
academia.stackexchange.com
15
Why would "hot gases" from a volcano damage helicopter rotors?
aviation.stackexchange.com
13
What's the difference between a microphone and a barometer?
physics.stackexchange.com
13
What's left for musicians to learn if they can sight-read?
music.stackexchange.com
12
How do you link two checking accounts from two different banks in two different countries?
money.stackexchange.com
12
Which flight maneuver is better for a takeoff emergency after liftoff, a tear drop (180° turn) or a 360° turn?
aviation.stackexchange.com
12
Why does Sweden support Kurdish separatists in Turkey?
politics.stackexchange.com
11
Has any European country recently scrapped a bank/public holiday?
politics.stackexchange.com
11
Why were dynamic markings not really used in the Baroque and Classical period?
music.stackexchange.com
11
Why do some trombone players put their index finger over the mouthpiece while playing?
music.stackexchange.com
10
Are there examples of state banks in history?
economics.stackexchange.com
10
If Sweden didn't have commercial TV channels until the late 1980s, how can these TV commercials from the 1960s and 1970s exist?
movies.stackexchange.com
10
What kind of injury would force a Navy EA-6B pilot to stop flying and take a desk job?
aviation.stackexchange.com
9
How do space probes find their way and how much fuel do they use to travel?
space.stackexchange.com
9
How can an electron be a point particle but also a wavefunction?
physics.stackexchange.com
9
Is Bayes' Theorem really that interesting?
math.stackexchange.com
9
How did musicians do "absolute" tuning in the Middle Ages?
music.stackexchange.com
9
Why are cheques so insecure?
money.stackexchange.com
8
Is it possible for a stack-based programming language to be concurrent?
cs.stackexchange.com
8
The first Turing machine
cs.stackexchange.com
8
How do elevons work to roll a flying wing?
aviation.stackexchange.com
8
Why would a country allow or prohibit prostitution?
politics.stackexchange.com
7
How can some USB 2.0 audio interfaces support phantom power through USB alone?
music.stackexchange.com
7
What would cut off a Mars base from Earth's support for an extended period of time?
worldbuilding.stackexchange.com
7
Is a VW Beetle engine a good choice for a light two-seat aircraft build?
aviation.stackexchange.com
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