Maker Saturday videos from the Exploratorium

MAKE:/Craft founder and publisher Dale Dougherty has recently spent his Saturdays at the San Francisco's Exploratoirum museum for a series of six webcasts featuring makers around the Bay Area. The first two of the six Maker Saturday Webcasts are now archived online. The next one, "Making Hyperbolic Crochet with Margaret Wertheim," is July 14 at 1pm. If you're in the area, please stop by! If not, the video will be archived online.
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Here are descriptions of the first two:

Making a Train Car with Paul Cesewski
Yearning to ride the rails, but hesitant to hop a freight train? That didn't stop Paul Cesewski, who built his own human- and gas-powered train that he uses to ride the abandoned rails in the North Bay. You can share his back-road adventures as seen through the eye of a Super 8 camera and learn how he makes his own train wheels.

Making BlinkyBugs with Ken Murphy
More ooh than ick, Blinkybugs are small, hand-built, electromechanical bugs built from scavenged materials and powered with a single coin-cell battery. When the Blinkybug's wire antennae detect motion from air currents or vibrations, the bug comes to life, with its LED eyes blinking in rhythmic patterns.

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