Topic: physics

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Spirals and rainbows built from 17,500 dominoes

From domino aficionado Flippycat, watch dominoes fall into colorful spirals, circles, and twisting patterns in this series of 10 domino and mini-domino setups. We also love that there are blooper clips at the end. ...

Andrew Gatt’s Ultimate Paper Roller Coaster

Perfect for the classroom or at home, Andrew Gatt's paper roller coasters are not only fun, but they also teach so many lessons in engineering, construction, teamwork, trial and error, and more. In exploring physics a...

The Tea Twister – The science behind Teh Tarik (pulled tea)

Remember the Teh Tarik vendor spinning and pouring tea in Bangkok? What's going on with the tea as it spins and falls from one cup to the other? How do they do that? Teh Tarik (pulled tea) is black tea with either ...

Rock Swing Cup & more DIY playground physics

Next time you're on the swings, think about what it might be like if you were swinging on the moon, free from air resistance. AP Physics teacher Jared Keester had that in mind during this experiment: Swing jumping wit...

The jazz of a helium ball & charcoal – Karina Smigla-Bobinski’s ADA

A transparent plastic ball filled with helium floats in an all white room. Attached are 300 charcoal sticks that make the ball look a bit like a flu germ, a "a post-industrial creature" that awaits interaction with an...

A vortex of bubbles twirls pufferfish as cold & warm waters collide

A vortex of bubbles forms like a lasso in the waters off the coast of Socorro Island, where cold California currents collide with warm equatorial waters. It's a seasonal phenomenon in Mexico's "little Galápagos", appr...

How to Make a Cloud in Your Mouth – Physics Girl

To make a cloud in your mouth -- yes, this is a very cool trick that actually works with practice -- you'll need to make tiny water droplets in your mouth. Then up the pressure. Physics Girl Dianna Cowern demonstrates...

The Slinky machine: A hand-cranked, wooden Slinky escalator

What if you had a never-ending stairway for a Slinky to "walk" down? How long do you think it might continue to descend? Matthias Wandel of Woodgears.ca decided to find out. This is The Slinky Machine, a specially-con...

What is Fire? – It’s Okay to Be Smart

That glowing light, those information-filled colors, that smoke and vapor that seems to magically light warm embers... What kind of physics and chemistry are at work inside of a flame? Joe Hanson from It's Okay to Be ...

Slow motion lightning over South Dakota at 2,000 fps

From ZT Research's Tom A. Warner, watch this high speed video of lightning, filmed during a storm over South Dakota: My daughter got some nice high-speed camera captures of lightning while I drove. We chased a s...

Surprising Applications of the Magnus Effect – Veritasium

When you drop a basketball from a great height, in this case, 415 feet (126.5 m) off of Tasmania's Gordon Dam, the basketball will generally fall down into the area below where it was dropped. But what happens when yo...

Explore the Science Behind Fireworks—and the Galaxy

When you watch fireworks burst with color, you're seeing examples of how stars and galaxies work: Blues from copper, yellows from sodium, bright whites from aluminum, barium greens, and reds made from strontium... The...

A racket flattens a tennis ball at 142 mph in slow motion

When a tennis player serves a tennis ball, the serve can reach speeds over 124 mph (200 km/h). But what's happening to the ball when it gets hit? This 142 mph (228.5 km/h) serve in slow motion (6,000fps) shows us. ...

Apotheosis – Northern Lights over Icelandic landscapes

From filmmaker Henry Jun Wah Lee, this is Apotheosis, a Northern Lights time lapse film featuring the landscapes of Iceland. Available in 4k, watch full screen. Via The Creator's Project: In 2015, the Earth is in ...

Resonance, forced vibration, and a tuning forks demo

A U-shaped fork of steel first invented in 1711 by trumpet player John Shore, the tuning fork is a tool produces a specific note that helps musicians keep their instruments in tune. They also are a great conversation ...

Marble Tsunami marble run machine: 11,000 marbles

It's a Marble Tsunami! This huge marble run machine or knikkerbaan has more than 11,000 marbles rolling, sliding, zigzagging, hitting bells, and clacking endlessly into each other, making quite a cacophony. With four ...

Celebrating Sally Ride, the first American woman in space

On June 18th, 1983, NASA physicist Dr. Sally Ride became the first American woman astronaut to fly in space. Orbiting Earth on Space Shuttle Challenger, she inspired an entire generation to follow their interests in s...

This mini origami robot self-folds, performs tasks, & can be dissolved

Researchers from MIT and TU Munich have debuted an insect-like, miniature, self-assembling origami robot at ICRA 2015. The tiny bot is 1.7cm by 1.7cm and is made of a neodymium magnet, PVC, and polystyrene or paper. W...