design
Building a Molten Metal Squirt Gun Is the Worst Way to Stay Cool This Summer

Shortly after the Super Soaker was first released in 1990, it became surrounded with controversy about hooligans allegedly filling the toy with harmful chemicals. But if that sounds dangerous, just imagine how local news stations would freak out over a squirt gun that blasts molten liquid metal. Read More >>

science
What Sorcery Keeps This Giant Ball Floating on a Tiny Stream of Water?

We’ve all made a tiny ping-pong ball float on a hair dryer, but what YouTube’s Veritasium is demonstrating here — a giant styrofoam ball floating on the side of a thin stream of water — seems to contradict every scientific law governing our universe. But there is an explanation as to what’s happening. Read More >>

photography
This Clever Camera Trick Lets You Photograph the Invisible World Around Us

When you rub your hands together to create friction and warmth, heat energy radiating off your hand creates air currents. They’re completely invisible to the human eye, but with a simple setup, it turns out your digital camera can reveal this invisible world around us. Read More >>

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All the Dangerous Things You Shouldn’t Be Doing With Your Fidget Spinners

Like lawn darts, nano-magnets, and slap bracelets, fidget spinners are only one stupid stunt away from becoming yet another forgotten fad. And as usual, instead of enjoying them responsibly, the internet is hard at work trying to find ways to make spinners as dangerous as playing with firecrackers. This is why we can’t have fun things. Read More >>

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Something Wonderful Happens When You Mix Microwaves, Soda, and Wood

The next time you accidentally spill soda, or water, plus a little baking soda on one of your cutting boards, don’t complain about having to clean it up. Instead, tear the safety cover off your microwave and use it as a high-voltage power source to etch a cool lightning pattern into the mess. Read More >>

stunts
Try and Watch This Bonkers Spinning Office Chair for More Than Five Seconds Without Puking

What’s 15 minutes of fame worth to you? Are you willing to spend the rest of your life feeling like you just rode the Tilt-A-Whirl at the carnival for three weeks? Because strapping yourself into a spinning office chair powered by a pair of spraying nitrous tanks is likely going to scramble your brain, among other body parts. Read More >>

science
The Science Behind That Stick Figure Doodle Brought to Life With Water

A few weeks ago, the internet was wowed by a video of a magic marker stick figure doodle that appeared to magically come to life with a little water. Many assumed there were some unseen shenanigans that made the stick figure leap off the table, but as Steve Mould explains, it’s all due to the simple science of erasable markers. Read More >>

science
9 Fun Tricks You Can Do With Static Electricity

If you ever wanted to be a wizard, or just to try your hand at some magic tricks, you should learn the dark arts of... static electricity. Yep, with a bit of strategic contact with certain objects, you can easily fool kids and probably even trick your drunk friend into thinking you can control objects through invisible forces. Read More >>

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Watch These Kids Pass Around a Fireball Like They’re Mortal Kombat Characters

We’re going to assume that Dan Clinch is a teacher who’s either found a great way to get his students excited about chemistry, or is just looking to get fired with a comfortable severance package. Because having them pass around what appears to be an invisible flaming bubble of propane looks both amazing and dangerous at the same time. Read More >>

science
How to Make Hot Ice That Magically Freezes at Room Temperature

Here’s a simple experiment you can try at home that produces a unique substance called sodium acetate from baking soda and vinegar. It’s also often referred to as “hot ice” because at room temperature it forms crystals just like ice does—but without the need for a freezer. Read More >>

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Pouring Hot Water on Skittles Is Truly Magical

Skittles’ “taste the rainbow” tagline seems all the more appropriate when you arrange the colourful candies in a ring on a plate and pour hot water over them. They immediately begin to melt and bleed colour, producing a rainbow design that’s straight up magical without the need for a wand. [YouTube via Boingboing] Read More >>

science
Liquid Metal on a Booming Speaker Gives Birth to Strange Alien Worlds

Gallium is one of those rare metals that turns to a liquid somewhere above room temperature, allowing you to do fun experiments—like pouring it onto a vibrating speaker while playing music—without risking severe burns. Read More >>

science
That Miraculous Spray-On Coating Also Makes Eggs Indestructible

After demonstrating the miraculous protective capabilities of Line-X spray on a watermelon, YouTube’s How Ridiculous wanted to what else the wonder material could protect from a 150-foot drop. Surprisingly, eggs, one of Mother Nature’s most fragile creations, simply bounced off the pavement after the plunge. Read More >>

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Why Glass Bottles Shatter at the Bottom When You Smack the Top with Your Bare Hands

There’s nothing quite like using the scientific method to figure out what’s happening in a silly party trick that we’ve seen way too many times (if you’ve been to bad parties, at least): the ol’ smack the top of a glass bottle and watch the bottom burst out in shards gag. Read More >>

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Adding a Petrol-Powered Propeller Makes a Towering 360 Swing Even Crazier

Because riding a 360-degree swing as tall as your house isn’t daring enough, amateur mad scientist Colin Furze has upgraded his latest creation with a petrol-powered parasailing motor, giving it more power, more speed, and a guaranteed way to make riders want to puke their brains out after a ride. [YouTube] Read More >>