Nope, that’s not a house arrest anklet — it’s the world’s first acoustic shark repeller
Rather than using chemicals, magnets, or wetsuits with unappetizing patterns, SharkStopper emits a special sound frequency that repels sharks
This giant artificial wave park just opened up to surfers in Wales
Located in a small mountain town in Wales, Surf Snowdonia is supposedly capable of generating "the longest man-made surfable waves on the planet."
These insane 50 mph electric mountain bikes can handle any type of terrain
Stealth Electric bikes effectively blur the line between mountain bike and electric motorcycle.
Best online retailers
We've narrowed down our favorite online-only retailers so you can shop with confidence this season.
Take your next ski or snowboard trip with a Douchebag
Hate the hassle of traveling with your ski gear? Check out the Douchebag - a ski & snowboard bag with built-in wheels like you'd find in luggage.
Easy on the eyes, hard on the wallet: Hands-on with Recon’s MOD Live HUD goggles
While Recon's latest Heads-Up Display technology comes with impressive features, it carries a pricetag steeper than any slope you've ever ridden.
Turn skiing into a video game: Oakley partners with Garmin for next-gen HUD goggles
Oakley has parntered with Garmin to adding even more functionality to it's already feature-packed Airwave goggles.
F-Bom ski goggles have active anti-fogging technology built into them
Instead of special vents or coatings, F-BOM goggles are outfitted with a special heated lens that prevents moisture from condensing on them.
RideOn ski goggles bring augmented reality to the slopes
Rather than cramming a display at the corner of your vision, RideOn’s augmented-reality goggles plaster graphics over the top of everything you see, for everything from navigation to buddy tracking.
Forget flare guns; this pocket-sized rescue balloon stays aloft for days
Rather than relying on combustible chemicals that burn out after a while, the RescueMe system deploys a large, high-visibility helium balloon into the air.
Thylacine: a modular, customizable sleeping bag fit for any season
Kammok has developed a patent-pending modular sleeping bag system that allows you to add or remove insulation to better fit the level of warmth you need.
This heated, water-filled hammock might be the greatest thing ever invented
Oregon-based entrepreneur Benjamin Frederick has recently taken to Kickstarter to fund a glorious new contraption he calls the Hydro Hammock -- which is essentially the bastard child of a hammock and a hot tub. Could there be anything more relaxing?
Oru’s foldable kayak is back and bigger than ever — and it still fits in your trunk
Despite being four feet longer and considerably more spacious, Oru's latest foldable kayak still collapses down, origami style, to the same size as the company's smaller kayak
Snowed in after Winter Storm Jonas? Plowz is like Uber for driveway snow removal
Did your driveway get nailed by the snowpocalypse otherwise known as Winter Storm Jonas? Not to worry; Plowz has your back. It's like Uber for snow plows and will dispatch a professional snow remover to your house in less than 24 hours.
Weekend Workshop: Build a fire-spewing Rubens’ Tube music visualizer for under $150
Like music? Like fire? Then you'll definitely want to build a Rubens' Tube, which turns a line of flames into an on-demand music visualizer using just basic principles of sound.
Inboard’s M1 electric skateboard offers an unparalleled riding experience
Inboard made some really smart design choices with its M1, and they all come together to provide a highly enjoyable electric skateboard experience.
Hands on: Genworth R70i Exoskeleton
The R70i, as its called, is designed to make you feel like an elderly person. That probably doesn't sound like a whole lot of fun -- and it isn't -- but the tech that makes it all possible is nothing short of amazing
Doppler Labs’ bionic hearing earbuds let you tweak live sound with a smartphone app
Imagine what it would be like if, with the help of technology, you could make your already good hearing better. What if you could filter out certain noises and amplify other ones to customize what you can hear?
Getting chased through the desert by AirDog, the easiest drone to fly
The Drone 2.0 era is coming, and with it, there's a rising tide of UAVs with a lot more autonomy and a lot fewer of those troublesome joysticks.
Best Products of 2015: Cool Tech
DJI’s developer-focused Matrice 100 drone isn’t just another quadcopter clogging up the skies -- it’s a robust new platform that’s pushing the UAV industry forward
XSTAT 30, the amazing device that stops bleeding in seconds, is now approved for civilian use
The XSTAT 30 can completely plug up a bleeding wound in 20 seconds or less, and typically lasts up to four hours.
Awesome tech you can’t buy yet: Eye-tracking VR headsets, folding 3D printers
Check out our roundup of the coolest crowdfunding projects and product announcements that hit the Web this week. You can't buy this stuff yet, but it sure is fun to gawk!
GoPro teases first footage from its Karma ‘ultra-portable folding drone’
Slated for release next year, GoPro's first foray into the world of consumer quadcopters will be known as the "Karma."
Hands on: UpDesk UpWrite Midnight
Can a standing desk really boost your metabolism, strengthen your back, and add years to your life? We’re not sure about that last one, but we’re definitely feeling better after a few weeks with UpWrite’s Midnight standing desk.
This outrageously fast 3D printer creates objects at a blistering centimeter per minute
Italian startup Nexa3D has developed a new 3D-printing technique called self-Lubricant Sublayer Photocuring, which makes the printing process continuous.
This guy’s ridiculous homemade rail gun shoots ‘ionized plasma’ bullets
Of all the crazy garage-built weapons I've ever come across, this one from YouTuber/tinkerer Alex Smyth is definitely one of the craziest.
Researchers are using autonomous fire-bombing drones to prevent future wildfires
It sounds counterintuitive, but the drone doesn't just haphazardly set the wilderness alight. It autonomously executes and monitors prescribed burns.
How Airbus plans to reach the edge of space with an engineless plane
We go inside the Perlan Project, which hopes to use air currents off of mountains to help an engineless plane travel high enough to touch the edge of space.
This eco-friendly 3D-printing filament is made from the waste by-products of beer
Because the filament has visible grain fragments and naturally inconsistent color/darkness, the parts you print come out with a beautiful natural-looking grain.
This smart pint glass tracks your beer intake, will request a cab if you’re too drunk to drive
While other smart mugs/cups/bottles offer dubious features like hydration reminders, ePint simply aims to help you have a good time.
Smile! Scientists have developed 3D-printed teeth that kill bacteria on contact
Researchers have developed a set of artificial teeth that repel microbes on the molecular level, so plaque and tartar can never accumulate on them.
This guy built an electromagnetic replica of Thor’s hammer that only he can lift
To make Mjolnir a reality, this man used a set of extremely powerful electromagnets, some batteries, and a fingerprint sensor built into the handle.
Yuneec’s new Wizard Remote lets you control drones with a wave of your hand
The Typhyoon Wizard is a controller that allows users to pilot Yuneec Typhoon drones with simple "point-to-fly" commands.