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Camels vs. Cactus: Eating a prickly pear cactus with 6-inch needles

There's something about the prickly pear cactus that these camels like. And they like it enough to brave the six-inch needles on the pads or cladodes. Watch them eat in this video from Camel and Friends, a YouTube cha...

What is dust made of?

Less than a tenth the size of an ant, a dust mite’s whole world is contained in the dusty film under a bed or in a forgotten corner. This realm is right under our noses, but from our perspective, the tiny specks of br...

A Visual History of Light, animated

400,000 years ago, humans and Neanderthals created fire. This ignited a relationship between people and photons that changed the course of mankind—and continues to evolve to this day. Take a tour through the visual hi...

An up-close look at tardigrades and their poop

It is surely the stuff of science fiction: An extraordinary being arrives on Earth that can withstand a tortuous array of conditions: boiling, freezing, tremendous atmospheric pressure, near total dehydration, and exp...

Karina Smigla-Bobinski’s ADA at Suwon IPark Museum of Art

Karina Smigla-Bobinski's helium-filled ADA, an interactive kinetic installation, has 300 sticks of charcoal across its transparent surface. The white room that surrounds it is the canvas. See how the walls gather blac...

A Loaf of Bread – The Magic of Making

The combine harvester is let loose on the waving wheat, and the collected grain is ground between the miller's old stones. From the farm and the traditional English mill we follow the flour to the bakery. After the ad...

How deep is the ocean?

How deep is the ocean? How far down have humans traveled and what did we find when we went there? This Tech Insider animation shows us the "vast distance between the waves we see and the mysterious point we call Chall...

Plastics 101: What is plastic and how is it made?

Once a completely natural product, much of today's plastic is man-made and largely dependent upon fossil fuels. From polymers to nurdles, learn how plastic is created and what we can do to slow the lasting repercussio...

The Coupled Pendulum, a physics demonstration

See the simple laws of physics at work: Two pendulums swing on a string, transferring energy from one to the other and back again. This demonstration by MarkHacks, made with cardboard, screw hooks, tape, string, and t...

Can you solve the wizard standoff riddle?

You’ve been chosen as a champion to represent your wizarding house in a deadly duel against two rival magic schools. Your opponents are a powerful sorcerer who wields a wand that can turn people into fish, and a power...

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