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I'm a physics graduate student.


Oct
5
comment Why does the speed of light $c$ have the value it does?
Well, that's one way of thinking of it, but it hardly means that what I said is wrong. One can also simply define a new unit of length, called the "clunk", and a new unit of mass, called the lump, and choose them such that $\hbar = 1 lump*clunk^2/sec$. At that point, we realize that if we have some relationship between clunks and seconds, say $c = 1 clunk/sec$, then we can simply call seconds, clunks, and lumps all by the same name and say that $c = \hbar =1$. There's no problem with it; it's not wrong.
Oct
5
comment Why does the speed of light $c$ have the value it does?
Yes, it is. Unfortunately, I find your claim that "equations in physics do not have units" too cryptic to reply to further. I don't understand what you think you're replying to or why you think this statement is relevant, much less what it means.
Sep
30
awarded  Explainer
Sep
28
awarded  Nice Question
Sep
26
revised Why do we say that the earth moves around the sun?
edited body
Sep
25
revised Can pockets of air exist underwater?
[Edit removed during grace period]
Sep
24
awarded  Nice Question
Sep
21
awarded  Notable Question
Sep
19
comment Thermodynamics only deals with homogenous systems?
Would you like to give reasons to support your assertions?
Sep
19
answered Thermodynamics only deals with homogenous systems?
Sep
16
awarded  Enlightened
Sep
16
awarded  Nice Answer
Sep
16
awarded  Popular Question
Sep
13
awarded  Good Answer
Sep
13
awarded  Nice Answer
Sep
13
awarded  Nice Answer
Sep
5
comment How come the atmosphere moves with Earth?
possible duplicate of Why does the atmosphere rotate along with the earth?
Sep
4
awarded  Popular Question
Aug
23
awarded  Nice Answer
Jul
28
awarded  Nice Question