Cornstarch and water mixture, known as oobleck, dancing and jumping into thick snakey shapes. I've seen this trick on television, but I was really happy to experience it at close range.
I'd try it myself if the ingredients weren't so expensive.

Mykle Hansen and Brady Clark's brilliant Speed Vest, which displays how fast the wearer is biking.

Insane power outlet matrix.

It was for the Light Up Xmas Christmas syncronized lights display

Solarbotics display.

NASA booth, adjoined to the Laser Eye Center of Silicon Valley booth.

Please continue reading page 4 of the 2009 Maker Faire.

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