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Watch This Stabby Robot Play the Knife Game With a Human Hand

We’ve all seen footage of giant factory robots hoisting and placing heavy parts with perfect precision, so it should come as no surprise that a robot arm can adeptly play the knife game without lopping off someone’s finger. But even with that in mind, you’ll still be stressed watching this stabby robot in action. Read More >>

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How to Build Giant Structures Using Soda Bottles and a 3D Printer

Reduce, re-use, and recycle are words to live by as we try to minimise humanity’s demand for our planet’s natural resources. But instead of sending your empty soda bottles off to be recycled, scientists from the Hasso Plattner Institute in Germany want you to build everything from chairs, to boats, to outdoor shelters with them. Read More >>

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Watch Laser-Blasted Easter Eggs Become Animated Spirographs

If you thought the funky tie-dye Easter egg designs you created last weekend raised the bar, you’ve got about a year to try and top what Jiri Zemanek of the University of Prague came up with. His Easter eggs feature looped animated designs that look like a Spirograph has come to life. Read More >>

toys
A Homemade Brick Blaster Makes Lego Accidents Even More Painful

Joerg Sprave, the internet’s most famous slingshot-loving amateur super villain, has found ways to weaponise everything from foam Nerf darts, to those tiny Ikea pencils. His latest troubling achievement is a custom elastic-powered blaster that can turn Lego bricks into tiny projectiles. Read More >>

science
This Machine Makes It Easy for Libraries to Clean Thousands of Books

How often have you pulled a rarely needed book off your shelf and needed to blow a layer of dust off of it? Now imagine what libraries have to deal with, given the tens of thousands of tomes in their collections. But it turns out someone’s already invented a machine that cleans books like a tiny waterless carwash. Read More >>

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Watch This Talented Carver Turn a Lincoln Penny Into a Morbid Masterpiece

Michelangelo’s David is undoubtedly a masterpiece, but would the artist have been as adept with a chisel were he working on a tiny copper penny instead of a giant slab of marble? Using a magnifying scope, artist Shaun Hughes managed to skillfully turn Lincoln’s head into a remarkably detailed skull. Read More >>

3d printing
3D-Printing Tools from Martian Dust Will One Day Help Us Colonise Mars

One of the many challenges of colonising Mars is that the planet is lacking many of the natural resources we rely on here on Earth. We’ll need to bring as much of what we need to survive as possible, but you can only pack so much into a spaceship. So scientists are developing ways to utilise at least one of the red planet’s most abundant resources: dust. Read More >>

design
Bridgestone’s Airless Tires Will Soon Let Cyclists Abandon Their Bike Pumps

First revealed way back in 2011, Bridgestone’s airless tires use a series of rigid plastic resin spokes to help a wheel keep its shape as it rolls, instead of an inflatable inner tube that can puncture and leak. Military vehicles and ATVs have been some of the first vehicles to adopt the unorthodox design, but Bridgestone will soon be making a version of its airless tires for use on bicycles. Read More >>

gadgets
Turn Your Expensive Smartphone Into a Tiny Antiquated Macintosh

After releasing a stand that turned the Apple Watch into a miniature Macintosh computer to sit on your bedside table while it charges, Elago has now essentially done the same thing for your iPhone with its M4 stand, which lets your phone cosplay as a vintage Apple computer that’s woefully underpowered in comparison. Read More >>

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This Rube Goldberg Machine Is the Best Action Movie I’ve Seen in Years

Most Rube Goldberg machines are designed to complicate a very simple task, but a Japanese TV show called Pitagora Suitchi—which translates to Pythagoras Switch—created an endlessly complex contraption to tell the story of two coloured balls who have to rescue their trapped brother. Read More >>

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At Least Climate Change Will Bring More Icebergs to Kitesurf Over Like a Badass

Climate change threatens to affect everything from the food we eat, to straight-up making the planet inhabitable for humanity. But our self-wrought apocalypse isn’t all bad. As the ice caps keep crumbling, they’re creating lots of icebergs we can use for badass kitesurfing stunts. Read More >>

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Someone Cut a Model Rocket Engine in Half So You Can See What Happens Inside

Despite only giving you about a second of excitement at launch, model rockets are still a fun way for us (non-billionaires) to live out our dreams of space travel. But have you ever wondered what’s happening inside a model rocket engine while you’re standing a safe distance away from ignition? Read More >>

bikes
Rule the Playground With a Chainsaw-Powered Tricycle

As a kid, you probably came up with a lot of terrible ideas your parents wisely stopped you from carrying out; that’s why you’re alive today. But once grownup, you’re free to try anything that pops into your mind, like upgrading a toddler-sized tricycle so that it’s powered by an old chainsaw. Read More >>

virtual reality
Scientists Shock VR Users Into ‘Feeling’ Non-Existent Walls

Physical therapy often involves the use of a device providing transcutaneous electrical nerve stimulation—TENS, for short—that uses electrodes attached to the skin to stimulate the muscles beneath. But virtual reality researchers have found an alternate use for the shocking technology: to let someone in a virtual world feel walls that don’t exist. Read More >>