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A duck walks into a bar. Animal control is promptly called and the duck is released into a near by park.


Mar
20
revised What are type system examples of local gauge transformation- and field strength-like objects?
edited body
Mar
20
asked What are type system examples of local gauge transformation- and field strength-like objects?
Mar
18
comment Is Space conserved
Who is "we" and what's the range of "nobody" in the first sentence? Everybody has access to gravity, the big bang theory is much harder to defend. I couldn't do it, in any case. Like with the existence of chromosomes, I can only appeal to authorities who at this point in time are of the opinion that it's a better model than the others. If they change their mind in the next years about it, I'd give another answer. Hence it's easy to doubt it.
Mar
16
comment How rigorous can conservation of energy be made?
In physics you try what has worked before until it doesn't. Conservation of energy is a showpiece of the cookbook, hard to get rid of. And people like it, it's tasty. I also asked a related question, and see the related links posted by Cmechanic.
Mar
13
revised Do batteries lose charge?
nooooooooo
Mar
13
suggested suggested edit on Do batteries lose charge?
Mar
13
revised Why do noble gases stabilize plasma discharges?
added 19 characters in body
Mar
13
answered Why do noble gases stabilize plasma discharges?
Mar
12
comment Can Somebody give me Questions
You misinterpreted the Q&A concept.
Mar
10
comment Why quantising gravity necessarily give us gravitons?
Do you know if there is any hypotetical way of tweaking the spin degrees of freedom and make the graviton a fermion? Are there physical arguments against that?
Mar
9
revised Tensor product of Hadamard Operators
suggestion to make it parsable
Mar
9
suggested suggested edit on Tensor product of Hadamard Operators
Mar
8
revised What is an effective and efficient way to read research papers?
added 134 characters in body
Mar
8
answered What is an effective and efficient way to read research papers?
Mar
7
comment How to find different operator representations in QM?
@DepeHb: i.imgur.com/IchgG0c.png Momentum is that which is conserved if you translate the system. Turns out the operator $T_d$ which shifts a function $f(x)$ by $d$ can be written as $\exp\left(i\hbar\,d\,\left(\frac{1}{i\hbar}\frac{\partial}{\partial x}\right)\right)$. The generator is the momentum operator $\propto\frac{\partial}{\partial x}$ and so as function of $x$, the eigenstates $\left|p\right\rangle$ of that operator must be $\mathrm{e}^{cpx}$.
Mar
7
revised Naive visualization of space-time curvature
added 5 characters in body
Mar
7
comment Naive visualization of space-time curvature
@StanLiou: Then you are assuming you can explain the notion of a local interial frame to a layman.
Mar
7
answered Naive visualization of space-time curvature
Mar
5
answered Do Dirac Gamma Matrices act like Tensors?
Mar
5
comment Is there a limit to acceleration?
@Carterini: Not that a factor of 2 is of any relevance if we're already speaking of $10^{51}$, but no, $2.2$ is the value you get if you plug in "(speed of light)^(7/2)/((Plancks constant)*(Gravitational constant))^(1/2)" into wolframapha and so here I bet against your back of the envelope calculuation. And I say it again, I'd just sit down and see how fast momentum can translate between two particles, say with a $\left|r_1(t)-r_2(t)\right|^{-2}$.