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seen Nov 14 '13 at 10:19

Mar
4
comment Do photons gain mass when they travel through glass?
Can you answer the second part of my question, does the glass gain weight as light travels through it?
Jun
13
comment Is this algorithm for simulating a quantum computer accurate?
Shor, Thanks for posting this answer. It does clear a few things up for me. It's a privilege to have a question I asked answered by someone with a name I recognize, (assuming you are the same Peter Shor).
Jun
12
comment Is this algorithm for simulating a quantum computer accurate?
Thank you. You've been most helpful.
Jun
12
comment Is this algorithm for simulating a quantum computer accurate?
Thanks, that's sort of what I expected. Could you elaborate on why it is not possible to do gate-by-gate simulation?
Jun
12
comment Is this algorithm for simulating a quantum computer accurate?
I realize that this is the assumed case. I want specifics, why can't it be done as in the question?
Jun
12
comment Is this algorithm for simulating a quantum computer accurate?
I suspect that it is incorrect and that I don't quite understand what happens when a qubit is measured, but I'd like to know why it is incorrect; can you provide a case where the above algorithm generates an incorrect result.
Dec
16
comment What is the difference between a white object and a mirror?
@LifeH2O, I think the problem you have understanding is because of your concept of colour. A colour is a set of frequencies of light. When you see a green object, it's because all of the other frequencies have been absorbed by the object and only green light is re-emitted. With a white object, all frequencies of light are re-emitted. By this definition, pure mirrors are white because they re-emit all frequencies of light. With this in mind I think you may understand some of the answers a little better.
Dec
15
comment What is the difference between a white object and a mirror?
@Marek, If you find you're not fastest, most full seems like a reasonable stance.
Dec
15
comment Common false beliefs in Physics
Especially the equal time fallacy. Nobody believes you when you tell them it's not true.
Dec
14
comment Do photons gain mass when they travel through glass?
I like this answer, it's a interesting take on the question.
Dec
14
comment Do photons gain mass when they travel through glass?
@hwlau, thank you, I understand.
Dec
14
comment Do photons gain mass when they travel through glass?
good answer, however, I don't understand why glass is transparent if electron interactions are the cause. Basically, why do photons get emitted in the same direction that they absorbed?