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Physics

Is a Rocket Gun Possible?

Is a Rocket Gun Possible?

Getting spaceships and satellites into orbit requires powerful rockets and all of the challenges that come with them. But would it be possible to use a giant cannon of sorts to shoot these objects safely into orbit instead? Curious Droid explores the possibilities.

Debunking the Flying Phone

Debunking the Flying Phone

A while back, a video made the rounds showing what was supposedly a flying phone case. We figured it was fake, but as Mark Rober and Captain Disillusion point out, it also scammed people out of cash. Keep an eye on Peter Sripol’s channel for his WORKING version.

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Emergence: Preview

Emergence: Preview

A look at Universal Everything’s latest interactive visual experiment, in which you control a character standing in the midst of thousands, each of whom reacts to your movements while you remain an individual. We’re dying to try a real-time version of this.

The Meisner Effect

The Meisner Effect

Harvard Natural Sciences presents a nifty experiment that shows how a liquid nitrogen-cooled metal substance (YBCO) can cause a neodymium magnet to levitate. As the disc cools, it becomes a superconductor, causing the Meissner effect to kick in.

Marble Machine Simulation

Marble Machine Simulation

We’ve seen some pretty slick wooden marble machines over the years, but we’ve got to hand it to CG motion designer Moby Motion for this purely digital rendition which manages to capture all of the textures and physics in an extremely convincing way.

Wormholes Explained

Wormholes Explained

Portholes that can instantly transport us between different areas of space and time are a staple of science fiction and fantasy. But are wormholes really a thing, and if they are, how might they work, and where could we find one? Kurzgesagt explores.

Are Electric Planes Possible?

Are Electric Planes Possible?

More cars than ever are relying on electricity for propulsion, but using electric motors and batteries for aircraft poses challenges. Real Engineering explores whether a pure electric flyer would be possible, and why it’s so difficult to achieve. Caution, physics equations ahead.

States of Matter

States of Matter

Motion designer Peter Tomaszewicz’s animated short film messes with our expectations, transforming what should be solid surfaces into sand, fluids, fabrics, gas, and bendy materials using CGI physics simulations.

DIY Supersonic NERF Cannon

DIY Supersonic NERF Cannon

By using an air pump and a burst disc to pressurize and release helium gas, The Backyard Scientist shows off an insanely powerful NERF gun that can fire darts faster than the speed of sound. Watch, and you might even learn a thing or two about physics.

The Black Hole Bomb

The Black Hole Bomb

In theory, energy consumed by a black hole is trapped forever. But it turns out it might be possible to harness the rotational energy of a spinning black hole to do everything from powering civilization to creating the biggest explosive device ever. Kurzgesagt explains.

How Could You Walk Through Walls?

How Could You Walk Through Walls?

Life Noggin explores another one of life’s imponderables – what would have to happen for it to be possible for humans to move through solid objects? Even though there’s lots of empty space between the atoms everything is made of, it’s highly unlikely.

Magnus Effect R/C Plane

Magnus Effect R/C Plane

Most of the aircraft have traditional wings or helicopter-style blades to take flight. But this contraption works very differently. Watch as an ingenious kid named Finley shows Essential RC his plane that takes advantage of the spinning Magnus Effect to stay airborne.

Mousetrap Car Physics

Mousetrap Car Physics

Engineer Mark Rober and teacher Al “Doc Fizzix” Balmer explain the physics of these primitive race cars that get their power solely from the energy stored in a mousetrap’s spring. Along the way, you’ll learn about the principles of mechanical advantage, levers, and wheels.

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String Theory Explained

String Theory Explained

Kurzgesagt explores string theory, and how it attempts to explain the nature of the universe. It’s supposed to solve the incompatibilities between quantum and gravitational physics by describing particles as “strings” rather than points. Yeah, we’re still confused.

Can Copper Stop a Magnetic Bullet?

Can Copper Stop a Magnetic Bullet?

After seeing the unusual way in which magnets interact with copper, NightHawkInLight explores whether an electromagnetically-generated force field in copper could stop or slow a magnetic projectile in mid-flight.

Ragdoll Man

Ragdoll Man

Nukazooka pokes fun at the wonky ragdoll physics of games like Goat Simulator with this live-action VFX clip about a young man whose body behaves just like the characters in those video games. Fortunately, he’s got the power of invincibility too.

Fastest Car vs. Fastest Helicopter

Fastest Car vs. Fastest Helicopter

Real Engineering ponders a question that you’d think would have an obvious answer: Which is faster: the world’s fastest production car or the world’s fastest helicopter? The answer might surprise you, and the physics at play are pretty fascinating.

How Copper Interacts with Magnets

How Copper Interacts with Magnets

Unlike steel, copper isn’t attracted to or repulsed by magnets. But that doesn’t mean there isn’t some interaction. NightHawkInLight takes a look at some of the strange behaviors that occur between thick sheets of copper and strong neodymium magnets.

Bullet vs. Bulletproof Window

Bullet vs. Bulletproof Window

Destin from Smarter Every Day teamed up with Gav and Dan from The Slow Mo Guys to see what exactly happens when a bullet hits a piece of bulletproof acrylic, both with a bullet that can’t make it through, and then with a .50 cal that can. Watch The Slow Mo Guys’ video here.

Humanity (Early Preview)

Humanity (Early Preview)

A brief, look at an upcoming crowd physics game being developed by tha ltd. which appears to be a modern take on the 1990s classic Lemmings, as you direct throngs of thousands of virtual tiny humans through its levels, many of whom to their demise.

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Gang Beasts: Beasts of Rage

Gang Beasts: Beasts of Rage

(PG-13: Language) Videogamedunkey gives us a taste of the hilarity that is Gang Beasts. Almost anyone could upload their gameplay of the slapstick ragdoll fighting game and it would be funny. But no one does the “yes, yes, noooo” commentary quite like Dunk.

Simulating Burning Trees

Simulating Burning Trees

Part of how CGI has gotten so much better in recent years is the development of systems for specific types of physical realism. Here Soeren Pirk demonstrates an amazing system designed for simulating the motion of tree branches, and the way wood burns when set on fire.

Gyroscopic Box Trick

Gyroscopic Box Trick

If you’ve ever played with a gyroscope toy, you know it’s pretty cool how they balance when spun. But did you know that effect even continues when it’s placed back in the box? We want to go buy a gyroscope right now so we can try this trick for ourselves.

Smarter Every Day: Dominoes

Smarter Every Day: Dominoes

With the help of his fans around the globe, Destin Sandlin digs into a surprisingly deep and perplexing topic – measuring the steady state velocity of toppling dominoes. The slow-motion footage is fascinating to watch, and you’ll definitely feel smarter after this one.

Faster Than the Speed of Light

Faster Than the Speed of Light

It’s not too hard to travel faster than sound, but amping things up to the speed of light is a whole other level. Life Noggin pontificates on the what might happen if we could exceed 186,000 miles per second. The whole slowing down light thing seems like a cheat though.

Simulating Molecules with Magnets

Simulating Molecules with Magnets

Science channel Cody’s Lab shows us how the interactions between magnets are similar to the way that molecules work, with the most fascinating bit being the glass and aluminum rig he built to simulate the way molecules work in a gaseous state.

Which Way Is Down?

Which Way Is Down?

Vsauce host Michael Stevens digs deep into the ever-changing concept of the direction “down,” what causes things to fall, and digs into how masses really, really want to pull towards each other in our universe, thanks to gravitational forces.

Levitating a Pumpkin

Levitating a Pumpkin

To celebrate Halloween a couple of years back, The Royal Institution filled a tiny pumpkin with a ceramic superconductor and liquid nitrogen, allowing it to float and glide above a special track made from neodymium magnets.

Carnival Scam Science

Carnival Scam Science

As much fun as carnival games look, they’re designed to steal your dollars, and not to award you that giant stuffed bear. Engineer Mark Rober is here to explore the math and physics behind carny scams, which are the biggest rip-offs, and a few ways to improve your chances.

100 Speed Bump Simulation

100 Speed Bump Simulation

BeamNG.drive is an automotive physics simulator that behaves quite realistically. In this satisfying clip from DestructionNation, watch what happens when cars, trucks, and SUVs are subjected to 100 speed bumps in a row without any effort made to slow down.

55,000 Plank Physics Simulation

55,000 Plank Physics Simulation

Digital physics engines are fun. You can make all kinds of things happen in the virtual world that would be difficult to achieve in the real world. Take, for example, this stack of 55,000 Jenga-like planks which Xepher let his system render over the course of 12 days.

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