Awesome Physics

Magnetic Vibrations

Magnetic Vibrations

The Magnetic Games channel teamed up with the Magnet Tricks channel to create a series of fascinating demonstrations of how magnets interact as their attractive and repelling properties cause movements and vibrations in each other.

The Unilluminable Room

The Unilluminable Room

After building a mirrored room that lights up the entire space no matter where a light source is placed, James from The Action Lab wanted to see if he could build a mirrored room that won’t reflect light onto all of its walls. The trick is a space that uses curved mirrors with wraparound corners in specific locations.

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Grasp It Structural Engineering Training System

Grasp It Structural Engineering Training System

This interactive educational system helps students learn about the physical properties of structures. It combines a set of beams, levers, pivot points, and other parts that attach to a backboard which work in concert with augmented reality projections to show the physics at play when forces are applied.

Cars and Trucks vs. Giant Bulge

Cars and Trucks vs. Giant Bulge

There’s a series of videos making the rounds that shows vehicles being launched off of a disproportionately tall bulge in the road, and they’re quite entertaining. The clips were made using the soft-body vehicle simulator BeamNG.drive, and these ones were posted by BeamNG Nation. That Cybertruck aced the landing.

Liquid Nitrogen Hero’s Engine

Liquid Nitrogen Hero’s Engine

A hero’s engine is a spherical device that spins using steam pushed through a pair of opposing jets. Jimmy Kimmel Live regular “Science Bob”​ Pflugfelder created this unique version of the hero’s engine that spins up rapidly as liquid nitrogen vapors create the necessary pressure to get it spinning fast.

Shooting Things Through Spinning Fans

Shooting Things Through Spinning Fans

It’s pretty easy to toss something into a spinning fan and watch it get smashed. But how feasible is it to send an object flying through multiple fan blades and have it emerge from the other end? Leave it to the guys from How Ridiculous to find out.

Facts About Time

Facts About Time

Time isn’t as simple as what shows up on your phone’s screen. Erin McCarthy of Mental Floss offers up a number of interesting tidbits about the nature of time, how humans perceive its passage, how space and time relate, and the different ways of measuring time itself.

The Spinning Ball Experiment

The Spinning Ball Experiment

James from The Action Lab shows off a physics demonstration that had us scratching our heads at first. While it appears that the ball bearing inside of this glass beaker will spin forever without adding energy, there’s a perfectly rational explanation of what’s going on. The Egg of Columbus demo is pretty neat too.

Inside a Giant Soap Bubble

Inside a Giant Soap Bubble

Blowing and popping soap bubbles is fun – other than the slippery mess left on the floor afterward. The Slow Mo Guys had some fun making soap bubbles so big that a human can stand inside of it. The 50,000 fps slow-motion footage gives us a unique perspective on what it looks like as each bubble bursts.

Hand-Powered LEGO Speed Experiments

Hand-Powered LEGO Speed Experiments

It’s pretty easy to get a LEGO wheel spinning fast with a motor, but what about with human power? The Brick Experiment Channel set up a LEGO flywheel and gear mechanism which he proceeded to spin using only his fingers and a piece of string. He measured the rotations using a laser and a marker to calculate its speed.

Gravity on Different Planets vs. a Car

Gravity on Different Planets vs. a Car

We’ve previously seen how gravity might affect a ball being dropped on different planets, as well as the sun and the moon. Now see what might happen if the same experiment were conducted with a stack of lumber dropped onto a car, courtesy of the automotive physics simulator BeamNG.

Rolling Marbles Uphill

Rolling Marbles Uphill

When you place a marble at the bottom of a ramp it shouldn’t roll uphill, right? Well in this tricky video from Things Made of Cardboard, they made it look like it’s possible. See if you can figure out how they did it before the end of the video.

Walk on Water Shoes

Walk on Water Shoes

Wouldn’t it be cool if you could walk on water? With a lot of trial and error, JLaservideo designed and fabricated a special pair of shoes that let him stroll above the surface. They use powerful electric motors and propellers to push the wearer up out of the water. Maintaining balance is clearly the trickiest part.

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Is Gravity an Illusion?

Is Gravity an Illusion?

Howdy, folks! It’s science time! Veritasium explains how gravity isn’t a force according to the General Theory of Relativity. He then demonstrates how the way we are moving through space-time while standing on Earth isn’t really any different from what an astronaut experiences as their rocket accelerates through space.

Spinning Magnets

Spinning Magnets

Magnetic Games presents another wildly satisfying video. This time, he uses a bunch of spherical and tubular magnets to create a series of gradually more complex spinning kinetic sculptures. It’s equal parts ASMR, physics experiment, and visual fun.

Hydraulic Press vs. Underwater Vacuum Chamber

Hydraulic Press vs. Underwater Vacuum Chamber

After creating a vacuum inside of a glass jar using a microwave, the Hydraulic Press Channel submerged and crushed it with their 40-ton press. At first glance, it looks like any other glass being shattered, but you can really see the water being sucked into the vacuum during the implosion on the high-speed playback.

If the Moon Crashed into the Earth

If the Moon Crashed into the Earth

Roland Emmerich’s Moonfall envisions what might happen if the Moon came out of its orbit and crashed into the Earth. Kurzegesagt takes a more scientific approach, and explains what might happen if the moon gradually got closer to the Earth, and the big problems we’d experience long before the Moon ever got here.

The Object-Spawning Keyboard

The Object-Spawning Keyboard

DoodleChaos loves to create visualizations of music. While they usually use programs like Minecraft, Planet Coaster, and Line Rider, they made this video with a custom Unity program that reads MIDI files and drops an object each time a key is pressed. As the music progresses, the density of the falling Tetrominoes goes insane.

Ice Crystals on a Bubble Wand

Ice Crystals on a Bubble Wand

We’re fascinated by this short video of a star-shaped bubble wand as the frigid air hits it and causes ice crystals to form. We love how the crystals swirl to life across the filmy surface and the shapes they create in the warm orange glow of sunset.

LEGO Flywheel Car

LEGO Flywheel Car

GazR’s Extreme Brick Machines built this unique LEGO Technic vehicle that stores energy in a flywheel. A rig consisting of 21 Powered-Up L motors and six Smart Hubs transfers power to the flywheel, then the car can continue driving on its own. It doesn’t go very far but has enough torque to climb a hill.

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If Light Moved as Slowly as Walking

If Light Moved as Slowly as Walking

According to the work of Albert Einstein, the speed of light in a vacuum is the fastest thing in the universe. Bright Side ponders how strange life would be if light moved at a more leisurely pace than its current rate of 299,792,458 meters per second and ambled along at the same speed as the average human walks.

Fun with Quantum Levitation

Fun with Quantum Levitation

Cooling yttrium barium copper oxide (YBCO) to -180°C creates a superconductor that levitates when placed in a magnetic field. Magnetic Games demonstrates the strange physics at play using powerful neodymium magnets for the supercooled puck to interact with. Turn captions on for more details.

Throwing a Ball on Other Planets

Throwing a Ball on Other Planets

Have you ever wondered how the gravity on different planets might affect your ability to throw a ball? Dr. James O’Donoghue created this infographic that explores how far and high you could toss a ball, assuming no air resistance. Basically, on Mars, Mercury, and Pluto, you could hit a home run without a baseball bat.

Turbulent Flow Is Awesome

Turbulent Flow Is Awesome

After watching one of Smarter Every Days‘ videos about the unique beauty of laminar flow, Derek Muller of Veritasium wanted to explore a much trickier kind of physics. When air, fluids, and gases experience turbulence, their chaos may be hard to explain and model, but it’s pretty amazing stuff when you dive in deep.

Rocket-powered Helicopter Rotor

Rocket-powered Helicopter Rotor

Helicopter rotors are usually propelled by a spinning motor, but Project Air wanted to see if it would be feasible to use a rocket engine to make the blade spin instead. Rather than build a complete helicopter, he built a free-flying monocopter that could fly with a single rocket.

LEGO Magnet Machine

LEGO Magnet Machine

LEGO enthusiast Dr. Engine shows off a Technic machine that demonstrates how magnets can transmit energy through walls. Each of its spinning blades can turn without connecting to a central drivetrain thanks to magnetic fields. A gear-drive mechanism places each section in its precise sweet spot.

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