DIY 'wrist rockets' allow inventor to cruise underwater like a human submarine

Sure, Aquaman has never been the world’s coolest comic book character, but there’s something undeniably cool about the notion of speeding effortlessly through the water like a superhero.

That’s a dream that YouTuber “PeterSripol” has tried to make a reality, and a new video showcases his homemade hack involving two T100 thrusters, a pair of wrist straps, and an Arduino-powered, belt-mounted unit.

Sripol — who has previously built a number of cool engineering projects, including an RC Lego airplane, DIY javelin missile (!) and giant Zippo flamethrower — describes the finished product as “wrist rockets.” And when you see him test out the miniature propellers at a beach in Hawaii, it’s pretty darn hard to disagree.

The video’s not just Sripol showing off, though. It also gives you a sneak peak at the construction process, which is a lot more complex than you might think — with one of the most important parts being the waterproofing of the whole contraption. (With good reason, too: electronics and water aren’t exactly the world’s greatest tag team.)

The design Spripol comes up with offers a few neat touches, including a triple-level throttle system that users can switch between by clicking the controller. Clicking once provides a low power thrust, twice provides midlevel propulsion, and three times gives the full supercharged wrist rocket experience.

Sadly, the rockets turn out to be too good for this world, as Sripol’s test dive is brought to an unceremonious halt when the wire connecting the wrist gauntlets to the power gets accidentally chewed up by the propellers. However, Sripol remains optimistic.

“Other than that, I’d say say these work really, really well,” he said. “You can get pretty good pace in the water without having to kick at all. I’ll have to make mark two of this, but [this version] was pretty sweet.”

It certainly beats the heck out of flippers and a snorkel any day of the week.

Deals

The 5 best Apple AirPods alternatives for Android, Windows, and iOS devices

Apple AirPods, nice as they are, aren't the only game in town. Other makers are offering their own truly wireless earbuds, and if you're looking to buy a pair of high-end in-ear headphones, we've got the best AirPod alternatives on the…
Emerging Tech

The best 3D printers for 2019

On the hunt for a new 3D printer? We've got your back. Whether you're a beginner or a seasoned veteran, this list of the best 3D printers has what you're looking for.
Gaming

One game console is better than the rest, and we're not afraid to say it

We've seen a relatively large influx of new consoles in the last year, including the Nintendo Switch and Xbox One X, so we've updated our recommendations for the best dedicated game hardware.
Computing

Ryzen 3000 CPUs could be the most powerful ever. Here's what we know

AMD's upcoming Ryzen 3000 generation of CPUs could be the most powerful processors we've ever seen, with higher core counts, greater clock speeds, and competitive pricing. Here's what we know so far, based on both leaks and the recent…
Emerging Tech

Watch China’s moon mission touch down on the planet’s far side

Video has been shared of a lander's-eye view of China's Chang'e 4 mission touching down in the Von Kármán Crater on the far side of the moon. The craft captured footage of the descent with a camera which was attached to the probe.
Emerging Tech

SpaceX nails its first launch and landing of 2019, but job cuts loom

SpaceX has nailed its first launch and landing of 2019 with a mission that deployed more satellites for Virginia-based Iridium Communications. But the success was soured somewhat by reports of upcoming job losses at the company.
Emerging Tech

The enormous ‘Flying Bum’ moves toward a commercial design

A prototype of the world's largest aircraft is being retired as the company behind it prepares to build a production model. The new Airlander 10, also known as the "Flying Bum," could be ready for commercial use by 2025.
Emerging Tech

Sick of walking everywhere? Here are the best electric skateboards you can buy

Thanks for Kickstarter and Indiegogo, electric skateboards are carving a bigger niche than you might think. Whether you're into speed, mileage, or something a bit more stylish, here are the best electric skateboards on the market.
Emerging Tech

Wish you could fly? You totally can with these top-of-the-line drones

In just the past few years, drones have transformed from a geeky hobbyist affair to a full-on cultural phenomenon. Here's a no-nonsense rundown of the best drones you can buy right now, no matter what kind of flying you plan to do.
Emerging Tech

Face-scanning A.I. can help doctors spot unusual genetic disorders

Facial recognition can unlock your phone. Could it also be used to identify whether a person has a rare genetic disorder, based on their facial features? New research suggests it can.
Emerging Tech

Lasers and bovine breathalyzer help determine how much methane cows produce

Cow farts and belches don't sound like catastrophic threats, but they contribute to the massive amounts of methane in the atmosphere. Recently, scientists set out to establish the numbers.
Emerging Tech

Researchers discover a way to make 3D printing 100 times faster using light

Researchers at the University of Michigan have invented a new method of 3D printing which is up to 100 times faster than conventional 3D-printing processes. Here's how it works and why it could prove a game-changer for 3D printing.
Emerging Tech

Why wait? Here are some CES 2019 gadgets you can buy right now

Companies come to CES to wow us with their cutting edge technology, but only a few products are slated to hit the market right away. Here is our list of the best CES 2019 tech you can buy right now.
Emerging Tech

The best solar chargers for your phone, tablet, and other battery-powered gear

Looking for a gizmo that can help you charge your phone while on the go? Here, we've outlined the best solar chargers on the market, whether you're looking to charge your phone once, twice, or three times over.