Topic: physics

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The Hammer-Feather Drop in the world’s biggest vacuum chamber

...though in this case, "the hammer" is a bowling ball. In this excellent clip from the BBC's Human Universe: Episode 4, Professor Brian Cox visits NASA’s Space Power Facility in Ohio, home of the world's biggest vacu...

How to Make the World’s Simplest Electric Toy Train

How to make the World's Simplest Electric Toy Train from the Amazing Science YouTube channel, a super delightful science experiment that will wow kids, friends, family, science classes... pretty much everyone on the p...

Watch snowflakes form in time lapse through a microscope

The time lapse formation of snowflakes, recorded with a macro lens by Vyacheslav Ivanov. Music: Aphex Twin - Avril 14th. Via Colossal: "Ivanov confirms from his home in St. Petersburg that th...

How to build your own Wave Machine physics demo

This National STEM Centre DIY Wave Machine demo is a perfect hands-on experiment for home or in the classroom. The ingredients: Duct tape, wooden kebab skewers, and jelly babies, (or dots... or maybe gummy bears if th...

Seven surface tension experiments – Physics Girl

This Physics Girl video highlights seven different surface tension experiments that you can easily try at home or in the classroom. Have any of these around? A plate, a glass, a penny, an index card, a paperclip, an e...

Pitagora Suitchi – 9 minutes of Japanese Rube Goldberg machines

We love Rube Goldberg machines, and have posted about these short films from Japan’s NHK educational TV show, Pitagora Suitchi (PythagoraSwitch) before, so it’s no surprise that t...

How to make a Popsicle Stick Chain Reaction

Have you seen that crazy popsicle stick chain reaction video in the archives? This Sick Science tutorial explains how to make it. Why does it work? The key to the Popsicle Chain Reaction comes from potential and ki...

CYMATICS: Science + music = audio frequency visualizations

With help from a Chladni Plate, vibrating liquid on a speaker dish, a hose pipe optical trick, ferrofluid, a Ruben's Tube, and a Telsa Coil, New Zealand musician Nigel Stanford showcases audio frequency visualizations...

The science of static electricity – TED Ed

What is static electricity? Why do we get a tiny spark when we've walked across a carpet and touched a doorknob? Or have you ever pet a cat and then picked up something metal, like a spoon to stir up cat food? Zap! (A...

FlippyCat’s Spectacular Domino Rally Stunt Screenlink

Domino enthusiast Flippycat uses a huge collection of Domino Rally sets to screen link this longer chain reaction together -- 35 scenes total (all listed here in the notes). Screenlinks are separate tricks that are ed...

Power of Optics: A light-powered Rube Goldberg machine

In this commercial for au Hikari, one of Japan’s high-speed optical internet service providers, a Rube Goldberg machine is "powered" by a single beam of light that travels via mirrors, magnifying glasses, and reflecti...

A pendulum wave demonstration with bowling balls

Thanks to these 16 bowling balls hung from a 20 foot wooden frame in the mountains of North Carolina, we can see what a large-scale pendulum wave apparatus looks (and sounds) like. Filmed by Maria Ikenberry, she also ...

The most amazing thing about domino chain reactions

A domino can knock over the next domino at about 1.5x larger (perhaps 2x larger) and this instant video classic from 2009 is a great example of this chain reaction. Watch University of Toronto’s Professor Steph...

The Reversing Arrow Illusion: An amazing & easy trick for all ages

We just tried this super easy Reversing Arrow Illusion, and it is, in fact, super easy. Draw two left-pointing arrows on a piece of paper and then put a clear, empty glass between you and thos...

The Amazing Triple Spiral (15,000 dominoes)

Watch this massive triple spiral created with 15,000 precisely placed dominoes fall flawlessly in multiple stages. Pro domino artist Hevesh5 spent 25 hours over eight days building it, her third largest solo project t...

275,000 Dominoes – A spiraling 2013 world record

275,000 dominoes toppled toward a new Guinness World Record with the help of German company Sinners Domino Entertainment: Last Friday we successfully toppled 272,297 out of 277,275 dominoes under the theme “E...

How to make fizzy bottle rockets – ExpeRimental

This ExpeRimental episode from The Royal Institution is full of super explosive fun. Danielle and Michael show a group of kids how to make fizzy bottle rockets with some small, sports-capped plastic bottles, some Alka...

How to make a Moser Lamp: 60 watts of free, natural light

In 2002, Brazilian engineer Alfredo Moser invented a simple way to bring the sun’s light indoors: fill a clear plastic 2 liter bottle with water and two capfuls of bleach, then make a hole in the roof and secure it wi...

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