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Aug
13
comment Can a pure vacuum with 0% gas be created?
You might also be interested in Would a fast inter-stellar spaceship benefit from an aerodynamic shape?
Aug
13
comment Can a pure vacuum with 0% gas be created?
possible duplicate of Why is it impossible to have a perfect vacuum?
Aug
13
comment Does calculus work on the quantum scale
possible duplicate of Does the Planck scale imply that spacetime is discrete?
Aug
13
comment How is entanglement possible?
I'm voting to close this question as off-topic because it shows insufficient prior research
Aug
13
comment How is entanglement possible?
Have you tried searching this site for entanglement. This and related questions have been asked many, many times before.
Aug
12
comment Do quantum fluctuation particles have any trend regarding their average velocity and direction? If so does that infer and inherent reference frame?
Joe, the tour does say Physics Stack Exchange is a question and answer site for active researchers, academics and students of physics and astronomy.
Aug
12
comment Transperancy of Solids
See also this search for related questions
Aug
12
comment Transperancy of Solids
possible duplicate of Why glass is transparent?
Aug
12
comment Probing beyond the black hole event horizon
Are you asking whether any experiments are planned to probe the insides of black holes? Or are you asking about theoretical studies of the black hole interior?
Aug
12
comment Energy specific question
See also the question Conservative vector fields. It is possible for a vector field to be globally non-conservative even when the curl is zero if it contains singular points.
Aug
11
comment What does it mean to observe?
possible duplicate of What is an observer in quantum mechanics?
Aug
11
comment Acceleration of ball released from height H on a circular fixed wedge at its lowest point?
@SanchayanDutta: you'll have to do that calculation yourself as it's basically a homework probem.
Aug
10
comment If it takes infinitely long for someone to fall in a black hole, wouldn't it evaporate first?
Aha! Found it! ${}{}$
Aug
10
comment If it takes infinitely long for someone to fall in a black hole, wouldn't it evaporate first?
This has been asked twice before,though I can't find the duplicates just now. The answer, provided by a certain Gerard t'Hooft who you may have heard of before, is that you will cross the horizon before the black hole evaporates. I'll have to do more searching for the original question to recover the details.
Aug
10
comment Restrictions on theories which describe particle which is the dark matter candidate
This is an awfully broad question. I think it would be better for you to pursue this yourself and come back to us with any more specific questions.
Aug
10
comment Relativistic rotational squeezing?
It seems more likely that the rotation would become non-rigid as the speed of the outer surface approached $c$.
Aug
10
comment Has string theory predicted any experimently verified results?
Hi newguy. We encourage people asking a question to do a quick search of the site first to see if their question (or a similar one) has already been asked.
Aug
8
comment Weight added to truck
I don't think this can be usefully answered because it depends on the design of the truck. Vehicle suspension springs do not necessarily have a linear response to load. This is really an engineering problem.
Aug
7
comment How does the dissolution of salt affect the solution density?
Look at the rhocalc() and rhoscalc() functions in the page I linked. The density of saline is not just the composition averaged density of water and solid salt.
Aug
7
comment How does the dissolution of salt affect the solution density?
See this web page. Since the calculation is done in Javascript you can see the code doing it. Googling will find you lots more info.