Physics
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Prem
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A Physics PhD student. My blog- https://prem314.blogspot.com/

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Score Newest
question
71
Why does a candle blow out when we blow on it? Our breath is 16% oxygen and only 4% CO2
Mar 14, 2014
question
29
When I stretch a rubber band, it breaks. When I hold the broken ends together, why doesn't it join again?
Mar 15, 2014
question
9
If I drop a leaf twice from the height of a tree in a completely controlled environment, will the trajectory in each case be the same?
Apr 3, 2014
question
8
Why does ice melt, wait for 100 degrees and THEN vaporise? Why is not the process of expansion of things continuous?
Mar 15, 2014
question
8
Why is the trivial analogous expression for Feynman's checkerboard approach to Dirac's equation in 3+1 dimensions (as described below) not correct?
Dec 31, 2016
question
5
Can an arbitrary quantum system of finite size be made to reliably relax to its ground state? Is there a physical principle prohibiting this?
Sep 7, 2020
question
5
How will a particle moving off its mass shell appear/behave if it is observed in the real world?
May 14, 2017
question
5
Why don't we use relativistic action $L=-~mc^2\sqrt{1-\frac{v^{2}}{c^{2}}}$ while calculating path integral for free particles?
Nov 30, 2016
question
5
How to derive exterior and/or interior Schwarzschild solution using Feynman excess radius equation?
Aug 7, 2016
question
4
Red color has largest wavelenght and violet minimum (in the range of visible light). then why does violet light appears reddish? RED + BLUE = VIOLET [duplicate]
Mar 14, 2014
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17
In a Quantum Turing Machine, how is the decision to move along the memory tape made?
11
Can I describe in my own word few experiments from some academic papers to write a popular science book?
6
How do stem cells produce 200 billion new blood cells every day? Does 1 stem cell division result in production of just 1 blood cell or many?
6
Why do sparrows jump instead of walk when they are not flying?

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