kottke.org
♥
25 yrs of fine hypertext products
home
about
archive
newsletter
membership!
about
archive
membership!
about
archive
members!
Feynman on Trains
posted by
Jason Kottke
Jul 07, 2009
Richard Feynman explains
how trains stay on their tracks. Hint: it's not the flanges. (via
jb
)
More about...
physics
Richard Feynman
science
video
ads via Carbon