Carl Sagan’s “Cosmos” TV series, now free online

This is a real treasure. Many thanks go to Hulu.com.

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Spectacular Space Shuttle night launch video

Space Shuttle Endeavour had cameras mounted on its solid rocket boosters when it climbed into orbit on March 11. Together they produced a beautiful video of a night launch from the spacecraft’s point of view. It’s hard to believe the shuttle is 28 miles up and moving at 3100 mph when the boosters detach—without the Earth in the background, the spacecraft appears still.

Ferrofluid “Morphing Sculptures”

Ferrofluid is cool stuff. Here’s a video of two electromagnetic metal cones in a pool of ferrofluid. Mmmm…. spiky….