Youtube -- Paul Hewitt teaching physics!

* http://www.youtube.com/watch?v=WuUWCo-bPjo (Paul Hewitt, Teaching Conceptual Physics)

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Physics Classroom online, Sing-along physics...

See: http://www.physicsclassroom.com/Class/
(Also main site http://www.physicsclassroom.com/)

Sing-along physics! Chant!
http://www.scientainment.com/


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Thought for the day -- Time is...

"Time is what we want most, but... what we use worst"
-- William Penn.

(thanks to Maha Devan)