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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...

Introducing the Dial Telephone, films from 1936 & 1954

Have you ever heard a dial tone or a busy signal? How did we call someone before speed dial and push-button telephones, but after people stopped needing to speak with a switchboard operator? Behold the rotary dial: ...

How to make your own LED trampoline

Transform a $20 trampoline into an amazing interactive LED light-up trampoline. The Adafruit team shows us how with the help of some NeoPixel LED strips, the Adafruit ItsyBitsy microcontroller running Circuit Python, ...

Neodymium magnet collisions filmed in slow motion

What happens when Speks-style magnet balls, magnetic cubes, and plastic-covered disc magnets collide with large and powerful neodymium magnets? Watch them fly through the air, crash, and stick together in this slow-mo...

Lucas the Spider discovers a tiny wooden village…

Lucas the Spider might be tiny, but in a toy wooden village, he's quite big. In fact, he's giant. Watch Giant Spider, above, a fun CGI short created by animator Joshua Slice and voiced by his nephew Lucas. Slice has p...

The Pits: An avocado searches for its other half

An avocado wanders New York City, feeling lonely and searching for its other half in this award-winning, puppet-filled story by The Bizzaro Company, directed by Mike Hayhurst. The Pits originally premiered at the New ...

How to make a DIY Duct Tape Coin Pouch

With an x-acto knife or scissors, a cutting mat or ruler, a ziplock bag, and two rolls of duct tape—pick two colors you like—you can create your own DIY Duct Tape Coin Pouch in less than 10 minutes. Sally shows us how...

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