We got our hands on the first test model of the first commercially-available laser harp we've ever seen. As you can see from this video of the beamz Music Performance System, you no longer need to make one to play one.

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Continuing to strike fear into the hearts of, well, everyone, Taser has released an electrified round that works with any 12-gauge shotgun--plus, a Taser-armed robot! For more videos from Popular Mechanics visit: http://www.popularmechanics.com/video?src=syn&mag=pop&dom=youtube&chan=home&link=rel_1 Everything from the World of Popular Mechanics: http://www.popularmechanics.com/?src=syn&mag=pop&dom=youtube&chan=home&link=rel_2 Subscribe to Popular Mechanics: http://subscribe.hearstmags.com/subscribe/splits/popularmechanics/pop_328x90_perissue_01_home?src=syn&mag=pop&dom=youtube&chan=home&link=rel_3 -

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Go to PopularMechanics.com for full behind the scenes coverage and more video. For more videos from Popular Mechanics visit: http://www.popularmechanics.com/video?src=syn&mag=pop&dom=youtube&chan=home&link=rel_4 Everything from the World of Popular Mechanics: http://www.popularmechanics.com/?src=syn&mag=pop&dom=youtube&chan=home&link=rel_5 Subscribe to Popular Mechanics: http://subscribe.hearstmags.com/subscribe/splits/popularmechanics/pop_328x90_perissue_01_home?src=syn&mag=pop&dom=youtube&chan=home&link=rel_6 -

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We took a spin yesterday in the Ford HySeries Edge, the world's first working plug-in, fuel-cell, hydrogen-powered car, which the Detroit automaker plans to show off as a concept at the New York auto show tomorrow. Though wafting zero-emissions exhaust in our face taught us plenty as to the realities of a hydrogen-powered automotive experience, what really made our test special was actually being able to drive a car running on advanced hydrogen fuel-cell technology that can power itself with a 336-volt battery pack. For more videos from Popular Mechanics visit: http://www.popularmechanics.com/video?src=syn&mag=pop&dom=youtube&chan=home&link=rel_7 Everything from the World of Popular Mechanics: http://www.popularmechanics.com/?src=syn&mag=pop&dom=youtube&chan=home&link=rel_8 Subscribe to Popular Mechanics: http://subscribe.hearstmags.com/subscribe/splits/popularmechanics/pop_328x90_perissue_01_home?src=syn&mag=pop&dom=youtube&chan=home&link=rel_9 -

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Sure, the speedster has none of the comforts of its auto show brethren (airbags, rear-view mirrors, turn signals), but what it lacks in style it makes up for in function. Hybrid Technologies' thoroughbred hits a top speed of 175 mph and maximum range of 200 miles. For more videos from Popular Mechanics visit: http://www.popularmechanics.com/video?src=syn&mag=pop&dom=youtube&chan=home&link=rel_10 Everything from the World of Popular Mechanics: http://www.popularmechanics.com/?src=syn&mag=pop&dom=youtube&chan=home&link=rel_11 Subscribe to Popular Mechanics: http://subscribe.hearstmags.com/subscribe/splits/popularmechanics/pop_328x90_perissue_01_home?src=syn&mag=pop&dom=youtube&chan=home&link=rel_12 -

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Loud pipes may save lives, but quiet, all-electric motorcycles may save the planet. Well, sort of. But, hey, at least they'll save some coin when you silently whiz past the gas station. We got a chance to see a lithium-ion powered chopper when Hybrid Technologies (the same guys with the electric roadster and the electric mini cooper) swung by out office. Their Stealth motorcycle has a horsepower equivalent to a 500-cc bike, and it tops out at around 50 mph. That's not much on the highway, but it's plenty of speed to zoom around town. And at least your neighbors won't complain about the noise: This is one good looking, yet nearly silent hog. Check out the video below.... For more videos from Popular Mechanics visit: http://www.popularmechanics.com/video?src=syn&mag=pop&dom=youtube&chan=home&link=rel_13 Everything from the World of Popular Mechanics: http://www.popularmechanics.com/?src=syn&mag=pop&dom=youtube&chan=home&link=rel_14 Subscribe to Popular Mechanics: http://subscribe.hearstmags.com/subscribe/splits/popularmechanics/pop_328x90_perissue_01_home?src=syn&mag=pop&dom=youtube&chan=home&link=rel_15 -

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You can gawk all you want at new-car reveal photos from any auto show in the world, but only with exclusive PopMech TV footage can you watch the all-new, Mustang-throwback Shelby Cobra GT 500 KR series from Ford do its strut—and listen to its mighty roar. Ford Motor's tech gurus gave Popular Mechanics the first chance at turning the keys on this show-stopping new king of the New York auto show floor. For more videos from Popular Mechanics visit: http://www.popularmechanics.com/video?src=syn&mag=pop&dom=youtube&chan=home&link=rel_16 Everything from the World of Popular Mechanics: http://www.popularmechanics.com/?src=syn&mag=pop&dom=youtube&chan=home&link=rel_17 Subscribe to Popular Mechanics: http://subscribe.hearstmags.com/subscribe/splits/popularmechanics/pop_328x90_perissue_01_home?src=syn&mag=pop&dom=youtube&chan=home&link=rel_18 -

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Videogames and force feedback have been fair-weather friends for years, from motorized steering wheels that go spastic when you slam into a wall, to entire seats that tilt and lurch as your F-16 banks out of harm's way. But playing with the Novint Falcon feels like nothing you've tried before. For more videos from Popular Mechanics visit: http://www.popularmechanics.com/video?src=syn&mag=pop&dom=youtube&chan=home&link=rel_19 Everything from the World of Popular Mechanics: http://www.popularmechanics.com/?src=syn&mag=pop&dom=youtube&chan=home&link=rel_20 Subscribe to Popular Mechanics: http://subscribe.hearstmags.com/subscribe/splits/popularmechanics/pop_328x90_perissue_01_home?src=syn&mag=pop&dom=youtube&chan=home&link=rel_21 -

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We've been testing the Stone for a couple of weeks (see video, below), and the audio quality is identical to the Shuffle. The Shuffle still has a few advantages, like an integrated clip on the back, 12 hours of battery life (the Stone has 10) and a case that's less prone to scratches. But can you really argue with $40 for a 1GB player that's small enough to comfortably smuggle into prison? And if you can't live without a clip, you can buy a Stone-compatible one for $10. For more videos from Popular Mechanics visit: http://www.popularmechanics.com/video?src=syn&mag=pop&dom=youtube&chan=home&link=rel_22 Everything from the World of Popular Mechanics: http://www.popularmechanics.com/?src=syn&mag=pop&dom=youtube&chan=home&link=rel_23 Subscribe to Popular Mechanics: http://subscribe.hearstmags.com/subscribe/splits/popularmechanics/pop_328x90_perissue_01_home?src=syn&mag=pop&dom=youtube&chan=home&link=rel_24 -

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Retro gaming is an entirely renewable fad as aging geeks try to recapture that initial Pac-Man high, and new gamers discover the kitschy-yet-pastoral simplicity of 2D graphics and a big, knobby joystick. Sure, you can play Pac-Man on nearly any PC, with official and unlicensed emulators that perfectly resurrect the neon mazes, the frantic action and the haunting "Wokka Wokka." But without the solid thud of a classic joystick, it's not the same. And that's the best thing about the Katana, a tabletop arcade cabinet from DreamAuthentics: that giant, sturdy, straight-from-the-arcade joystick. For more videos from Popular Mechanics visit: http://www.popularmechanics.com/video?src=syn&mag=pop&dom=youtube&chan=home&link=rel_25 Everything from the World of Popular Mechanics: http://www.popularmechanics.com/?src=syn&mag=pop&dom=youtube&chan=home&link=rel_26 Subscribe to Popular Mechanics: http://subscribe.hearstmags.com/subscribe/splits/popularmechanics/pop_328x90_perissue_01_home?src=syn&mag=pop&dom=youtube&chan=home&link=rel_27 -

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The most anticipated game in history just got a little more anticipated: After testing the beta version of Halo 3's multiplayer maps (available to certain xbox 360ers on Wednesday), we're jonesing for the real thing. For more videos from Popular Mechanics visit: http://www.popularmechanics.com/video?src=syn&mag=pop&dom=youtube&chan=home&link=rel_28 Everything from the World of Popular Mechanics: http://www.popularmechanics.com/?src=syn&mag=pop&dom=youtube&chan=home&link=rel_29 Subscribe to Popular Mechanics: http://subscribe.hearstmags.com/subscribe/splits/popularmechanics/pop_328x90_perissue_01_home?src=syn&mag=pop&dom=youtube&chan=home&link=rel_30 -

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We already told you what a stunner the new Maserati GranTurismo is, based on our impressions from its world unveiling at the auto show in Geneva earlier this year. But when we got the exclusive opportunity to take the wraps off it for the first time in North America, we we were even more knocked back. See for yourself.For more videos from Popular Mechanics visit: http://www.popularmechanics.com/video?src=syn&mag=pop&dom=youtube&chan=home&link=rel_31 Everything from the World of Popular Mechanics: http://www.popularmechanics.com/?src=syn&mag=pop&dom=youtube&chan=home&link=rel_32 Subscribe to Popular Mechanics: http://subscribe.hearstmags.com/subscribe/splits/popularmechanics/pop_328x90_perissue_01_home?src=syn&mag=pop&dom=youtube&chan=home&link=rel_33 -

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Soldering to a PC board can be tricky: Too much heat can make the copper trace lift right off the board substrate. Use a soldering pencil rated at 15-25 watts, no more. For more videos from Popular Mechanics visit: http://www.popularmechanics.com/video?src=syn&mag=pop&dom=youtube&chan=home&link=rel_34 Everything from the World of Popular Mechanics: http://www.popularmechanics.com/?src=syn&mag=pop&dom=youtube&chan=home&link=rel_35 Subscribe to Popular Mechanics: http://subscribe.hearstmags.com/subscribe/splits/popularmechanics/pop_328x90_perissue_01_home?src=syn&mag=pop&dom=youtube&chan=home&link=rel_36 -

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The crusher is hungry; it must be fed. Its hardened steel maw opens to accommodate an American sedan. The jaws begin to close, and the crusher rocks softly side to side as it brings its full force to bear. The car emits high-pitched rending noises and then — pop! — the windshield blows. And — pop! pop! — the headlights explode. In a matter of seconds, the sedan is less than 2 ft. tall, and the crusher yawns to accept another rust-bitten victim. It's all part of a highly efficient salvage industry that ensures that, after death, your car is reduced to its basic elements and reborn — to be used over and over again. For more videos from Popular Mechanics visit: http://www.popularmechanics.com/video?src=syn&mag=pop&dom=youtube&chan=home&link=rel_37 Everything from the World of Popular Mechanics: http://www.popularmechanics.com/?src=syn&mag=pop&dom=youtube&chan=home&link=rel_38 Subscribe to Popular Mechanics: http://subscribe.hearstmags.com/subscribe/splits/popularmechanics/pop_328x90_perissue_01_home?src=syn&mag=pop&dom=youtube&chan=home&link=rel_39 -

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Imagine if every taxi in NYC were powered by the BMW's hydrogen-fueled V8: The only thing coming out of their tailpipes would be water vapor. I pull the Hydrogen 7 out into traffic and joust my way over to the West Side Highway and trundle up to 40-or-so miles per hour, far slower than its' touted 154-mph top speed. The H7 is running just fine, so I thumb the H2 button on the wheel and—exactly nothing happens. The speed and note of the engine change not one bit. For more videos from Popular Mechanics visit: http://www.popularmechanics.com/video?src=syn&mag=pop&dom=youtube&chan=home&link=rel_40 Everything from the World of Popular Mechanics: http://www.popularmechanics.com/?src=syn&mag=pop&dom=youtube&chan=home&link=rel_41 Subscribe to Popular Mechanics: http://subscribe.hearstmags.com/subscribe/splits/popularmechanics/pop_328x90_perissue_01_home?src=syn&mag=pop&dom=youtube&chan=home&link=rel_42 -

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With a few basic parts and accessories, you can take the same projector you bought for your home theater and set it up in your car and create a drive-in theater anywhere. For more videos from Popular Mechanics visit: http://www.popularmechanics.com/video?src=syn&mag=pop&dom=youtube&chan=home&link=rel_43 Everything from the World of Popular Mechanics: http://www.popularmechanics.com/?src=syn&mag=pop&dom=youtube&chan=home&link=rel_44 Subscribe to Popular Mechanics: http://subscribe.hearstmags.com/subscribe/splits/popularmechanics/pop_328x90_perissue_01_home?src=syn&mag=pop&dom=youtube&chan=home&link=rel_45 -

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Check out this mind-bending demo, Andy Wilson's PlayTogether surface computing system. Wilson's previous work on the PlayAnywhere interface used a table-top projection PC combined with an infrared camera to let virtual computer graphics interact with real-world objects in real time. The PlayTogether system builds on that concept, using two networked table-top systems to let people play a virtual game of chess in two locations, using real pieces and a real board on either end, with each player's opponent's pieces projected onto his board. Wilson even demoed a three-dimensional variant of his table-top system (this project didn't even have a name) that allowed users to put three-dimensional objects on a table top, then drive a virtual computer-based car over them. As the car drove over each object, a separate LCD display showed a 3-D rendered car jumping over instant computer models of the real-world objects that had been placed in its path. It's almost impossible to describe without seeing it, so I took some video. For more videos from Popular Mechanics visit: http://www.popularmechanics.com/video?src=syn&mag=pop&dom=youtube&chan=home&link=rel_46 Everything from the World of Popular Mechanics: http://www.popularmechanics.com/?src=syn&mag=pop&dom=youtube&chan=home&link=rel_47 Subscribe to Popular Mechanics: http://subscribe.hearstmags.com/subscribe/splits/popularmechanics/pop_328x90_perissue_01_home?src=syn&mag=pop&dom=youtube&chan=home&link=rel_48 -

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Set the scene for Simon Cooper's special report on the black market logging trade with this footage shot by undercover employees of the Environmental Investigation Agency, in which smuggler Frankie Chua and his partner complete a sale of illegally harvested wood. For more videos from Popular Mechanics visit: http://www.popularmechanics.com/video?src=syn&mag=pop&dom=youtube&chan=home&link=rel_49 Everything from the World of Popular Mechanics: http://www.popularmechanics.com/?src=syn&mag=pop&dom=youtube&chan=home&link=rel_50 Subscribe to Popular Mechanics: http://subscribe.hearstmags.com/subscribe/splits/popularmechanics/pop_328x90_perissue_01_home?src=syn&mag=pop&dom=youtube&chan=home&link=rel_51 -

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Popular Mechanics takes a test-flight on the largest passenger jet in the world: the double-decker Airbus A380, which landed in the U.S. for the first time in March. For more videos from Popular Mechanics visit: http://www.popularmechanics.com/video?src=syn&mag=pop&dom=youtube&chan=home&link=rel_52 Everything from the World of Popular Mechanics: http://www.popularmechanics.com/?src=syn&mag=pop&dom=youtube&chan=home&link=rel_53 Subscribe to Popular Mechanics: http://subscribe.hearstmags.com/subscribe/splits/popularmechanics/pop_328x90_perissue_01_home?src=syn&mag=pop&dom=youtube&chan=home&link=rel_54 -

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It's fast! It's powerful! It's 154 pounds lighter than the regular Gallardo! Popular Mechanics' Ben Stewart reminds us where the Oh #%"&! handles are as he test-drives the new Superleggera. For more videos from Popular Mechanics visit: http://www.popularmechanics.com/video?src=syn&mag=pop&dom=youtube&chan=home&link=rel_55 Everything from the World of Popular Mechanics: http://www.popularmechanics.com/?src=syn&mag=pop&dom=youtube&chan=home&link=rel_56 Subscribe to Popular Mechanics: http://subscribe.hearstmags.com/subscribe/splits/popularmechanics/pop_328x90_perissue_01_home?src=syn&mag=pop&dom=youtube&chan=home&link=rel_57 -

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