2016
Aug
8
revised Sound from cupping hands over ears
I almost asked the same question because title was generic, but was lucky enough to click on it first.
2014
Nov
7
revised Why does water rise through a hole in ice
Removed unnecessary caps
Sep
11
revised Mechanical waves edge between material and vacuum
Updated with an animation
2013
Dec
17
revised Proof that the ground pushes you up
Added back in the original text because apparently people are highly presumptuous here
Dec
16
revised Proof that the ground pushes you up
Corrected bad edits from other people... sigh
Dec
16
revised Proof that the ground pushes you up
Elaboration
Nov
27
revised Write a parabolic equation in kinematics
The homework tag is deprecated (DO NOT USE IT). It is demeaning and in current debate - this is not inspired by homework whatsoever.
Nov
22
revised Write a parabolic equation in kinematics
Elaborated upon the symbols
Oct
26
revised Basic vector addition problem
Reworded it
Sep
28
revised Why do photons excite electrons?
Clarification
Jan
7
revised How is the polarity of a magnet decided (before its creation)?
Removed the tag bit.