Tag: gas

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ExpeRimental: Homemade Lava Lamp & Rubber Band Cannons

Explore the densities of liquids and household objects with Olympia Brown and her daughter Viola. This is episode two of ExpeRimental, a new science-at-home series by the Royal Institution of Great Britain that aims t...

This is NOT timelapse: the Aurora Borealis in real time

This breathtaking video of the Aurora Borealis is not a timelapse video — this is what it looks like in real time. It was filmed in Yellowknife, Northwest Territories, Canada by astro-ph...

Match burning in slow motion

What’s happening when a match is lit? From Answers.com:  Matches contain sulfur, glass powder, and an oxidizing agent as the components in the match head. When you strike a match, the ...

Dara Ó Briain’s Science Club: What makes up a comet?

What makes up a comet? Professor Mark Miodownik mixes the makings of one together with comedians Dara Ó Briain and Mark Steel in this episode from Dara Ó Briain’s Science Club.

How can we know anything about distant exoplanets?

How can we know the size, composition, and atmospheric makeup of distant exoplanets? NASA explains the details in this Alien Atmospheres video.  By observing periodic variations in the pare...

Snow Facts Cheat Sheet

How is snow made? What temperatures make different kinds of snow? And can two snowflakes look exactly alike? The Science Channel has a quick Snow Facts Cheat Sheet video for questions just like this. There are more ...

The Leidenfrost Maze

The Leidenfrost Maze, designed and built by Carmen Cheng and Matthew Guy at the University of Bath, demonstrates how Leidenfrost droplets can be self-propelled in a controlled way by the jagged...

The Top 5 Places to Look for Alien Life

Where might we find life in our solar system? Via skeptv, Scientific American Space Lab has a countdown for that: Top 5 Places to Look for Alien Life. Bonus — the video comes with additional reading material:  ...

Above: time lapse clouds above Japan

Above, a cloud time lapse film that documents the skies above Japan throughout the summer, filmed and edited by photographer Suishu Ikeda. There are more clouds in the archives.

TED Ed: The ABCs of Gas

Using chalk drawings and familiar, hands-on examples, Brian Bennett and TED Ed explain gas properties in The ABCs of Gas – Avogadro’s Law, Boyle’s Law, and Charles’s Law, via explore-blog. T...

Why So Many Cloud Types?

What are the names for the clouds you see when you look up in the sky? In this video from Nova PBS, learn about nimbus (rain), cumulus (heap), cirrus (curl), stratus (layer), and other types of clouds, and why both th...

Dancing Mud: the bubbling mud pots in Rotorua, New Zealand

These are the boiling mud pots of Rotorua, a city in New Zealand known for its Māori culture and geothermal activity. It is the only city in the world that is located on an active geothermal field. Geothermal act...

Make an underwater vortex ring generator

Watch YouTube user Xraise Cornell create a homemade horizontal vortex ring generator. When a small burst of air is released into a toroidal or poloidal vortex — essentially a spinning donut of water — it s...

A diver makes underwater vortex rings that can knock over rocks

And here I thought this was just an animated gif, but no, via Daily Picks & Flicks, there’s a video of a diver making a bubble ring or vortex ring, above. A vortex ring is the phenomenon where a quantity...

Periodic Table of Videos: Liquid Oxygen (slow motion)

From the Periodic Table of Videos team, hot charcoal meets Liquid Oxygen (slow motion). via Doobybrain.

Studying ice cores in Antartica

When you drill 364 meters (1194 feet) down into Antarctic ice, taking out a cylindrical section called an ice core, you can find out about the Earth’s temperature and carbon dioxide levels from over 20,000 yea...

Kari Byron makes a cloud in a bottle

How do you make a cloud? On her show, Head Rush, Mythbuster’s Kari Byron demonstrates how clouds are formed by making one in a bottle. For this experiment, you can use a bicycle pump with a rubber stopper atta...

Mars: Dry Ice and Dunes

Watch the spring thaw of seasonal dry ice (frozen carbon dioxide) on Mars, brought to us by the Mars Reconnaissance Orbiter.

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