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Jul
25
revised Why do I sink then float in a swimming pool?
Removed reference to the comment, because it is confusing if you don't read the comments first
Jul
10
revised Is there a simple equivalent to Ohm's law for gas (pressure=R*throughput)?
Removed specific case
Jun
29
revised Calculation of OPE in Polchinski
Add homework tag
Jun
28
revised Acceleration derivative
Formatted the quote
Jun
27
revised How do you know when you need to use distributions to represent charge densities?
Removed thanks
Jun
21
revised Can we find actual rest mass of things on Earth
deleted 16 characters in body; edited title
Jun
20
revised How is current produced in semiconductors or metals?
improved text
May
28
revised What does a scale accelerating on an incline read?
changed some wording/punctuation
May
28
revised Lifting capacity of superconductors
title looked ugly
May
25
revised Meaning of these terms for stress fields?
added the image for easier access
May
23
revised How can tangential acceleration from a radial force be explained?
added 111 characters in body
May
17
revised If induced voltage (back-emf) is equal and opposite to applied voltage, what drives the current?
inserted hyperlink to make text neater
Apr
18
revised Why do we see light and isn't everything dark?
deleted 7 characters in body
Apr
18
revised In an elastic collision, can we choose between cons. of energy and cons. of momentum?
fixed title, typos, grammar syntax, latex , tags
Mar
22
revised Why do we lift our feet when we walk?
Leave in the doubtful part
Mar
19
revised Shadow of a ripple?
fixed grammar and punctuation
Mar
9
revised Does placing a lid on a pot affect the rate of boiling?
Moved main points to the top & paragraphed out the explanation a bit
Mar
8
revised Help me with inertia
Bold face redundant if used this often
Feb
28
revised What is the exact physics behind sonic levitation
Minor text modifications.
Jan
8
revised Why do rain waves form and what is their connection to the texture of the surface they're on?
added 1 character in body