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Kaboom! Blitzer Railgun Completes First Successful Test Firing

This is my boom stick. Well, not mine, but General Atomics'. Known primarily for manufacturing the Predator drone, General Atomics has also moved into the weapons business, as demonstrated by this first ever successful test of their "Blitzer" rail gun. This involved the cannon firing a number of rounds down the range at the US Army's Dugway Proving Grounds.

Envirofit Clean Cookstove

More than half the world’s population cooks over open fires or small charcoal or biomass stoves. These burn fuel incompletely, producing carbon monoxide and smoke that cause 1.5 million deaths a year. Envirofit’s Cookstove burns the same easily found wood but does so more completely to cut emissions by more than 80 percent and use half as much fuel. The can-shaped stove has a precisely measured opening that lets in enough air to fan the flames, yet not enough to cool it and slow down combustion.

Farming in the Sky

3-D Leagues Under the Sea

Looking for something to do this Friday the 13th that has nothing to do with Jason Voorhees and Crystal Lake? Check out the latest IMAX film, Under the Sea in 3D and dive deep without getting wet. Attach the crazy looking glasses to your head (someday they'll figure out a way to ditch the specs) and be transported to off the coast of Australia, Papua New Guinea and Indonesia. Great white sharks, garden eels and Australian sea lions seem to swim right off the screen, leaving the viewer wondering, how did they do that?

BMW Speed Limit Display

Combining images of signs taken by a camera on the rearview mirror with navigation-system data about your route, the latest European BMW 7 Series figures out your current speed limit and displays it on the instrument cluster and projects it on the windshield. The technology, developed with Siemens VDO, could arrive in the U.S. in the next year or two. bmw.com