Tour
About Us
Meta
Loading…
current community
Stack Exchange
chat
Meta Stack Exchange
your communities
Sign up
or
log in
to customize your list.
more stack exchange communities
company blog
Log in
Stack Exchange
All Sites
Top Users
Digests
gandalf61
I like Marmite and Gentleman's Relish on toast. Although not on the
same
piece of toast.
top
accounts
reputation
activity
subscriptions
Top Questions
20
votes
Why are JWST optics not enclosed like HST?
space-telescope
james-webb-telescope
asked Aug 29, 2019 at 12:51
space.stackexchange.com
Top Answers
101
If objects in motion experience time differently, how does my body stay synced when I move my legs or arms?
physics.stackexchange.com
82
Why did NASA use U.S customary units?
space.stackexchange.com
78
Experiment to show that we need two eyes to determine depth
physics.stackexchange.com
75
Why are red and blue light refracted differently if they travel at the same speed in the same medium?
physics.stackexchange.com
75
If water is nearly as incompressible as ground, why don't divers get injured when they plunge into it?
physics.stackexchange.com
61
How do you make more precise instruments while only using less precise instruments?
physics.stackexchange.com
57
Is space really expanding?
physics.stackexchange.com
54
Why does a swimmer cross a swimming pool in the same time as crossing a flowing river?
physics.stackexchange.com
50
Why the charge of the proton does not transfer to the neutron in the nuclei?
physics.stackexchange.com
49
Can there be acceleration without work?
physics.stackexchange.com
47
Why doesn't an electron rip itself apart?
physics.stackexchange.com
42
Why isn't the molecule of water linear straight?
physics.stackexchange.com
41
Can physics be done without the use of time?
physics.stackexchange.com
41
Can coldness be converted to heat energy?
physics.stackexchange.com
40
How do non-linear equations lead to self-interaction?
physics.stackexchange.com
38
Why are there so many objects perfectly orbiting each other? Isn't it infinitely more likely that two random objects crash/fly apart?
physics.stackexchange.com
36
When two molecules collide, does it produce a sound?
physics.stackexchange.com
34
At what speed does information move through the atoms of a rigid object?
physics.stackexchange.com
33
Is it possible to shorten the solution for this 2014 RMO question?
math.stackexchange.com
31
How does an air bubble have 2 surfaces and a liquid drop has 1 surface?
physics.stackexchange.com
30
Earth rotation: What provides the energy?
physics.stackexchange.com
30
When we say 'Andromeda galaxy is 2 500 000 light years away from us' do we mean 'now' or in a far past?
physics.stackexchange.com
29
How do electrical devices limit the current flow from a socket?
physics.stackexchange.com
29
How do stars produce energy if fusion reactions are not viable for us?
physics.stackexchange.com
29
Physical interpretation of complex numbers
physics.stackexchange.com
28
Who was the first to hypothesise that gravity from one mass causes the spacetime around another mass to curve?
hsm.stackexchange.com
27
Why don't we prove that functions used in physics are continuous and differentiable?
physics.stackexchange.com
25
Does the earth’s rotational angular velocity change?
physics.stackexchange.com
24
Why is momentum defined as mass times velocity?
physics.stackexchange.com
23
How does it make sense for the universe to have started from a big bang?
physics.stackexchange.com
1
2
3
4
5
…
9
next
Stack Exchange works best with JavaScript enabled