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Top Questions
49
votes
How are magnets held together, and why do they not explode?
electromagnetism
condensed-matter
magnetic-fields
material-science
asked Feb 10, 2020 at 3:54
physics.stackexchange.com
33
votes
Why should the frequency of heads in a coin toss converge to anything at all?
expected-value
frequency
law-of-large-numbers
asked Feb 9 at 16:16
stats.stackexchange.com
25
votes
Is there any theory or field of study that concerns itself with modeling causation rather than correlation?
causality
model
asked Mar 18 at 15:04
stats.stackexchange.com
22
votes
When an object crosses a black hole event horizon, does the entire object cross the event horizon "all at once?"
general-relativity
black-holes
event-horizon
asked Jan 16 at 23:55
physics.stackexchange.com
20
votes
Flywheel half-way through the event horizon of a black hole vs the equivalence principle
general-relativity
black-holes
event-horizon
equivalence-principle
asked Jan 14 at 5:23
physics.stackexchange.com
14
votes
Have we directly observed the electric component to EM waves?
electromagnetism
electromagnetic-radiation
charge
asked Apr 17, 2017 at 4:51
physics.stackexchange.com
12
votes
Is there a Lagrangian that produces these equations? How can I find one if it exists?
ordinary-differential-equations
calculus-of-variations
inverse-problems
asked Dec 21, 2021 at 18:47
math.stackexchange.com
12
votes
How can classical bits be copied if qubits cannot be copied?
information-theory
unitarity
no-cloning-theorem
nonclassicality
asked Feb 15 at 2:42
quantumcomputing.stackexchange.com
11
votes
Between any two continuous functions $f>g$, can we find a real-analytic function?
real-analysis
analysis
power-series
asked Dec 11, 2017 at 10:11
math.stackexchange.com
10
votes
What piece of technology is able to record the exact phase of microwaves?
antenna
oscilloscope
microwave
asked Mar 2, 2020 at 5:35
electronics.stackexchange.com
1
2
next
Top Answers
47
Is there a single example of an outsider considered a "crank" publishing a ground-breaking result that was found to be correct (in the last 30 years)?
academia.stackexchange.com
35
What is the fundamental definition of force?
physics.stackexchange.com
17
Question on wave interference?
physics.stackexchange.com
15
Differences in Double slit experiment and 2 slit Diffraction
physics.stackexchange.com
15
Contradictions caused by moving faster than light
physics.stackexchange.com
14
Why does fringe width in double slit experiment remain constant if slits get narrower?
physics.stackexchange.com
13
Constant speed of light violates accelerating expansion of universe?
physics.stackexchange.com
8
Why a 'collection' of sets and not a 'set' of sets in sigma-algebra
math.stackexchange.com
7
What is the connection between mechanics and electrodynamics that makes it necessary for both of these to obey the same principle of relativity?
physics.stackexchange.com
6
Can electric field be negative?
physics.stackexchange.com
6
Why does light bend when it enters a medium?
physics.stackexchange.com
5
Cantor set nowhere dense but still perfect?
math.stackexchange.com
5
Does this thought experiment violate de Broglie hypothesis?
physics.stackexchange.com
5
Einstein's Train Paradox
physics.stackexchange.com
5
Given many-world interpretations, can we send a message to one of them?
physics.stackexchange.com
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