A lot of people think crossbows are pretty cool. Lasers, miniaturized things, and wearable devices also tend to rate pretty high on the neat-o-meter. It goes to follow, therefore, that a small wrist-mounted laser-sighted crossbow should have a lot of admirers. Well, laser hobbyist Patrick Priebe built just such a device, and his video of it in action has already racked up over 100,000 hits in just
Stanford researcher Onur Kilic, who was the lead author on a paper describing the orca-inspired hydrophone (Photo: L.A. Cicero) Given how poorly light and radio signals are able to travel underwater, sound is still the best medium for wireless undersea communications. Conventional underwater microphones - or hydrophones - have their limitations, however. One of their main problems is that the deep
The Firefly is a new disposable camera fired from a grenade launcher designed for those unfortunate moments a soldier encounters once in a while when you need to see what’s ahead, but don’t have a UAV to tell you. The Firefly is a miniature projectile weighing 145g and launched from a standard-issue M203 grenade launcher attached to an M16 assault rifle. It’s a use-once video camera with a life-sp
September 21, 2005 Flying is not a sport generally associated with those people who are light of wallet – which makes the Mosquito Ultralight helicopter something of a rarity. The entire kit for the Mosquito can be purchased for US$20,000 and if you think the minimalist Mosquito leaves you a bit vulnerable, there’s the fully enclosed Mosquito XE and XEL which can be purchased for US$23,000 apeice.
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