Jump to main content
3
B
l
u
e
1
B
r
o
w
n
Home
Talent
Patreon
Store
Extras
About
Physics
S
n
e
l
l
'
s
l
a
w
p
r
o
o
f
u
s
i
n
g
s
p
r
i
n
g
s
A clever mechanical proof of Snell's law.
Apr 1, 2016
Lesson by
Grant Sanderson
Source
Previous Lesson
The Brachistochrone, with Steven Strogatz
