Topic: liquid

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A GoPro survives being engulfed by lava

What happens when you leave a GoPro in a crevasse that's slowly filling up with lava? Kalapana, Hawaii-based tour guide Erik Storm accidentally left his little video camera in the lava's path for too long... yet the f...

How to make an Amazing 9 Layer Density Tower

Water is less dense than honey. Rubbing alcohol is less dense than water. Poured carefully on top of each other, from heaviest to lightest, they can create distinct layers. Add more liquids of different densities, suc...

Surface tension and The Cheerios Effect

Ever notice how cereal clumps up in your bowl, or how cereal sticks to the edges of the bowl? Bubbles in beverages do the same thing. You've probably seen this surface tension and buoyancy at work, but did you know th...

Why is syrup sticky?

Water isn't sticky, and sugar on its own isn't sticky either. So why is syrup—a heated, melty combination of water and sugar—so very, very sticky? Emily Elert of MinuteEarth explains the sticky molecular structures of...

Demonstrations of the Coanda Effect

Fluids flowing near a surface tend to follow the shape of the surface. Using Schlieren optics, we can see this behavior. It is known as the Coanda Effect and its explanation depends on viscosity, the frictional forces...

Why Does Your Cat’s Tongue Feel Like Sandpaper?

If you've ever been licked by a cat, did their tongue feel scratchy like sandpaper? The scratchiness is caused by their keratin papillae, tiny claw-like spines on their tongue that help to clean their fur. Cats (Felis...

An up close look at fingerprints and sweat glands

Zoom in to see this fingertip's epidermal ridges, those tiny lines, whorls, loops, arches, and valleys that are unique to each person on the planet. This macro and time lapse footage, filmed by Time Lapse Vision, an i...

The Chemistry of Skunk Spray

Skunks are infamous for their awful-smelling odor, but they don't always smell that way. Their spray, a liquid full of stinky chemicals from their anal scent glands, is used strategically to chase away predators. In t...

Bubble Device #4 at the Taipei Fine Arts Museum

From French Canadian media artist Nicholas Hanna, this is Bubble Device #4, another delightful video showcasing Hanna's automated bubble making device. The machine, which combines motors, pulleys, and a large fan, is ...

How Far Do Sneezes and Vomit Travel? – Gross Science

Let's enter the world of sneeze experiments and vomiting machines with Anna Rothschild as she explains just how far the tiny liquid particles from sneezes and vomit can travel... and it's farther than you think. 'Vomi...

Chemical Bouillon, a series of visually abstract chemical reactions

Hydrocarbon vs Ink - Implosion, above, from the Chemical Bouillon video series, "an artistic project studying the graphic aspect of chemical reactions" created by Antoine Delach, Valere Amirault, and Teurk in Paris, F...

Adding color & fizz to floating water bubbles in microgravity

When you're floating water bubbles in microgravity on the International Space Station, be sure to add a gas-releasing effervescent tablet and some food coloring, and don't forget to film it in 4K resolution. Astron...

Peel, Pucker, Pinch, or Puncture? Coffee Lids, Explored

Why are there so many variations on the design of the plastic coffee lid? How many different kinds have you seen or used? Architect and NYU professor Louise Harpman, with her business partner Scott Specht, have amasse...

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 ...

3D printing with 1900F molten glass – G3DP at MIT

Optically transparent glass printing. A brand new glass 3D printing process called G3DP has been developed through the teamwork of the Mediated Matter group at the MIT Media Lab, MIT's Mechanical Engineering Departmen...

Ferrolic – A ferrofluid clock prototype by Zelf Koelman

Watch ferromagnetic fluid travel across a blank surface like living creatures: undulating forward, dancing rhythmically, blobbing together in organic shapes to digitally display the current time. Ferrolic, a ferroflui...

DIY Cloud Chamber – How to build your own particle detector

There's an easy way to build a particle detector for around $40. Yes, you can make your own particle detector to see invisible cosmic rays from space. In this video from US LHC at CERN -- LHC stands for Large Hadr...

A solid, liquid, & gas at the same time – The Triple Point

How can a chemical be a solid, a liquid, and a gas at the same time? In the video above, a clear liquid called cyclohexane is experiencing the perfect pressure and temperature combination for its solid, liquid, and ga...

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