experiments
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That Miraculous Spray-On Coating Also Makes Eggs Indestructible

Video: After demonstrating the miraculous protective capabilities of Line-X spray on a watermelon, YouTube’s How Ridiculous wondered what else the wonder material could protect from a 45m drop. Surprisingly, eggs, one of Mother Nature’s most fragile creations, simply bounced off the pavement after the plunge.


Why Glass Bottles Shatter At The Bottom When You Smack The Top With Your Bare Hands

Video: 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.


This Is What It Must Feel Like To See The Invisible

Video: It’s called the Schlieren effect and it means that you can see things that are invisible to the human eye, like changes in air density. So when you turn on a hair dryer, you can see the blast of air it shoots out. When you open a can of Coke, you can see what’s escaping into the air. When you rub your hands, you can see the heat surrounding them.


Putting Dry Ice In Slime Spawns Some Really Weird Bubbles

Video: Throw dry ice in everything just to see what happens, if you ask me. Crazy Russian Hacker put dry ice in some green slime and a bunch of bubbles started forming out of nowhere. The bubbles eventually pop in a small explosion of smoke but when they first appear underneath that muck of green goo, it’s like seeing eggs spawn or something.


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

Video: 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.


What Happens When You Dive Into A Pool Filled With 25 Million Squishy Waterballs?

Video: Would you sink or float if you were tossed into a gigantic vat of squishy gelatinous spheres? Mark Rober, one of the Backyard Scientists, decided the only way to definitively answer the question that few have ever asked was to fill an entire pool with 25 million of the tiny spheres, and dive in.


Watch Liquid Nitrogen Dance Around On Different Fluids

Video: Liquid nitrogen is an endless source of fun. You can freeze things and smash things into pieces. Or you could pour it onto things and then watch the smoke monster move around and then smash things into pieces. Or you could dunk things in it and then watch the smoke disappear and then smash things into pieces. You get the point.


What Happens When You Shoot A Liquid Nitrogen Gun At A Flamethrower

Ah, in a tale as old as ice and fire, here’s a liquid nitrogen ‘squirt gun’ versus a flamethrower. The Backyard Scientist outfitted a liquid nitrogen canister with a release valve that basically turns liquid nitrogen into a freeze ray death weapon of sorts (as in, the pressure makes the liquid nitrogen shoot out pretty strong). He pitted it up against a flame thrower to see how long it would take the liquid nitrogen shooter to win and it’s quite the battle.


Watch Water Pour Upward At The Hoover Dam

Video: Here’s a silly fun experiment to do the next time you’re at the Hoover Dam: try and pour a bottle of water over the dam. Instead of flowing downward like water almost always does, the water actually flies up and flows upward because of the super strong draft.


That Homeless Person You Just Helped Might Actually Be A Robot

This doesn’t mean you should stop being helpful or charitable to homeless people you encounter on the street — but if you see this guy, there’s something about him you should know. At a recent Maker Faire in Nantes, France, a man wearing worn clothing and pushing a shopping cart actually turned out to be a lifelike robotic hobo, or robo, as they prefer to be called.


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