Stuff from today's class

http://vimeo.com/22582065
The Pale Blue Dot video (narrated by Carl Sagan)


http://www.youtube.com/watch?v=YXh9RQCvxmg
Neil deGrasse Tyson with Colbert


http://www.youtube.com/watch?v=Bgaw9qe7DEE
And if you ever have an hour to spare, Richard Feynman (a hero of mine):


http://www.randi.org/site/index.php/swift-blog/1942-taking-the-lift-out-of-street-levitation-with-physics.html
For fun


http://www.youtube.com/watch?feature=player_embedded&v=LR-MSZSLC5w
Just because....

The Wien Displacement law:

where λ_max is the peak wavelength, T is the absolute temperature of the black body, and b is a constant of proportionality called Wien's displacement constant, equal to 2.8977685(51)×10⁻³ m·K (2002 CODATA recommended value).