Rewrote it
-300
Fixed link
mAdded category
m+30
Fixed broken link, category addittion
+41
Added some more stuff to introduction
+450
no edit summary
+61
Fixed link
m-1
Rephrasing, formatting
+45
no edit summary
+31
Added category
m+30
Category change
m+2
Added category
m+28
Added category
m+28
Removed broken links
m-18
Added equation
+223
no edit summary
+184
Added section about kinetic energy in relativity
+459
Added a bit about relativity
+239
Formatting
m-24
Rephrasing
+30
no edit summary
+83
Rephrasing to improve clarity
m-27
Rephrasing
m+4
Formatting
m+11
Fixed broken link
mAdded reference for proton half life
m+59
More detail about proton decay
+298