Topic: air

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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 ...

How Do Greenhouse Gases Actually Work?

The Earth and the Moon are essentially the same distance from the sun, yet the two rocks have very different surfaces thanks to our Earth's atmosphere. It shields us during the day, and at night, it traps enough heat ...

What’s the Loudest Possible Sound? – It’s Okay to Be Smart

"What is the loudest possible sound? What about the quietest thing we can hear? And what do decibels measure, anyway?" This video from Joe Hanson and It's Okay to Be Smart dives into the wide ranging and incredibly se...

The Four Spheres (Geo, Bio, Hydro, & Atmo) with Crash Course Kids

The ground or geo-sphere, water or hydro-sphere, air or atmo-sphere, and life or bio-sphere: Earth and everything on it can be organized into these four distinct yet interconnected subsystems. Knowing more about each ...

Driving on Air: Inventor Raul Oaida and his LEGO car

From The Adaptors, Flora Lichtman talks with 21 year old Romanian inventor Raul Oaida, who has built a jet-engine bike, a tiny spaceship, and a 500,000 brick LEGO car that is powered by air. How does it work? "We h...

Emperor Penguins Speed Launch Out of the Water

We've seen a video of penguins rocketing out of the water as if powered by jets, but we've never seen it happen from underwater... until now. In this National Geographic clip, photographer Paul Nicklen captures how th...

How to make smoke rings with a simple DIY vortex cannon

If you're looking to make a simple vortex canon for shooting smoke rings across the room, you'll like this DIY video by Dave Hax. All you'll need is an empty plastic bottle, a balloon, and an incense stick, preferably...

Sticky Actuator: Inflatable stick-on “pouch motors”

Here's an excellent idea for your DIY projects: Make sticky actuators! These particular actuators -- motors that convert energy into motion -- are small, inflatable pouches that are custom-printed in thermoplastic...

Deep Look: The Fantastic Fur of Sea Otters

Sea otters are creatures who live in water that's far too cold for their bodies. There are other animals, like whales and sea lions, that are insulated from the cold by blubber, a layer of fat under their skin, but as...

Minute Physics: How An Airplane Is Made

Travel to France with Minute Physics' Henry Reich for a behind-the-scenes tour of the factories, research, and design facilities of Airbus. This is how an A350 is built! There's also a cameo by Beluga, Airbus' special...

Science Take: The Hidden Complexities of the Simple Match

Schlieren flow visualizations illuminate a world of activity that we almost never pay attention to, even when we're causing it to happen. Simple things like breathing, sneezing, clapping hands, or just producing heat ...

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...

Albuquerque International Balloon Fiesta 2014 Time Lapse

Every year the city of Albuquerque hosts the largest hot air balloon event in the world, the Albuquerque International Balloon Fiesta. Each morning begins very early as a group of 6-12 hot air balloons known as Da...

Minute Physics: Why Is The Sun Yellow and The Sky Blue?

Why is the sun yellow and the sky blue? Why can we see the stars at night? Why is space black? And why is the sky more red, orange, and even pink at sunset? In this Minute Physics episode, we leap into "the grand ball...

At-Bristol: How to make a hot air balloon

What is a hot air balloon made of and how are they made? Find out as At-Bristol Science Centre's Ross Exton visits Cameron Balloons, one of the world's oldest hot air balloon manufacturers, to learn more about the mat...

The Curiosity Show: How does a music box work?

In this clip from Australia's The Curiosity Show, science educator and co-host Deane Hutton demonstrates the basics of sound, moving air particles, and forced vibrations with a plastic comb, hacksaw blades, the metal ...

A match being struck as seen with Schlieren technique

From RMIT University, watch a match being struck and lit, captured by a technique called Schlieren flow visualization. From FY! Fluid Dynamics: The schlieren optical technique is ideal for visualizing differences ...

Everything You Need to Know About Planet Earth

When we wake up, eat breakfast, get ready for school or work, and head out the door, we may not be thinking about how unique our small, wet rock of a planet is. But the Earth is unique, and we're always happy to happe...

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