Ray Gun Rulers Make You Actually Want to Solve For Y

At some point in a child's life they eventually make the connection that a long plastic ruler is not unlike the barrel of a gun, and suddenly math homework gets a lot more enjoyable as they blast away at imaginary aliens between problems. The folks at Atypyk have taken that idea one step further with a pair of plastic… » 1/16/15 10:10am 1/16/15 10:10am

The Sparkle Guns that Keep Military Air Transports Safe

Commercial airlines aren't the only planes under attack from shoulder-fired rockets and missiles these days, a number of slow-moving vehicles in the US Air Force have come under increased threat of being shot down. That's why the USAF is outfitting many of them with sparkling laser blasters to confound inbound threats. » 12/24/14 12:20pm 12/24/14 12:20pm

A Real-Life Laser Tri-Blade Lightsaber Is the Best Worst Idea

A Wicked Lasers product has long been the closest you can get to a real-life lightsaber, but there are some Jedi weapons better left on the screen. If the tri-blade lightsaber revealed in the Star Wars: The Force Awakens teaser has caught your eye, and safety isn't your utmost concern, with the help of a 3D printer… » 12/22/14 11:08am 12/22/14 11:08am

Trains Could Get Lasers To Burn Slippery Wet Leaves Off the Tracks

Each autumn, leaves fall to the ground by the billions. Slightly annoying if you have a backyard but really annoying if you run a railroad company. It turns out those leaves are a slippery menace on train tracks. That's why Dutch Railways is testing a high-energy solution: Train-mounted lasers. » 12/05/14 2:45pm 12/05/14 2:45pm

James Bond's Laser-Cutting Watch Is Finally a Reality

Thanks to some clever special effects, the gadgets that Q creates for James Bond and other MI6 agents are often well ahead of their time. So much so that it's only now, more than 31 years after Never Say Never Again hit theaters, that we finally have a wristwatch with a built-in laser powerful enough to do some damage. » 11/21/14 9:01am 11/21/14 9:01am

Video: How removing tattoos with lasers works

Smarter Every Day takes an in-depth look at something super cool: removing tattoos with the help of lasers. The science behind it is fascinating, all the zapping lasers do is basically break down the bigger ink blobs inside your skin and let your body's white blood cells and liver take care of the rest of the removal… » 10/30/14 9:05pm 10/30/14 9:05pm

New Laser Projector Makes 3D Images That Hang In Mid-Air

Maybe the solution to touchscreen displays that don't get washed out in direct sunlight is to skip the screen altogether. Researchers at Aerial Burton are working to perfect a new kind of display technology that uses lasers to produce 3D pixelated images that appear to hang in mid-air and are still visible no matter… » 10/29/14 8:56am 10/29/14 8:56am

A Collar Laser Pointer Is the Dangling Carrot Your Pet Will Never Catch

The only thing better than a toy that keeps your cat and dog occupied for hours is one that requires no intervention on your part. A ball needs to be tossed, a pull toy needs to be tugged, but this laser pointer that clips onto a collar will have your pet chasing, but never catching, that small red dot until they're… » 10/02/14 5:00pm 10/02/14 5:00pm