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Making hyperrealistic cat portraits with wool felt

Shining eyes, soft fur, serious faces. WakuNeco creates hyperrealistic cat portraits with needle felting, a process of interlocking wool fibers together with a barbed needle. The orange cat video above shares how the ...

How to Eliminate Single-Use Plastics on Vacation

In the end, I avoided 79 pieces of single-use plastic and only used two on this weeklong trip. This experience reminded me that you don't have to be perfect. Even if you mess up along the way, doing something makes a ...

How to make homemade ice cream three different ways

If you don't have an ice cream maker at home but still want to make homemade ice cream, check out this video from Basics with Babish. Andrew Rea demonstrates a few different ways to make this sweet treat at home with ...

Anastasia Chavez explains the 21-card trick

How can you use math to astonish your friends and family? Try the 21-card trick. Filmed for Numberphile, UC Davis Department of Mathematics Postdoc Anastasia Chavez demonstrates step-by-step how this trick works with ...

The magic formula for Milk Bar’s strawberry-lemon cake truffles

How does the team at the award-winning bakery Milk Bar make their delicious cake truffles? Milk Bar founder Christina Tosi demonstrates how you can make them at home with her strawberry-lemon cake truffles recipe. And...

How to turn garden clippings into striking insect sculptures

How does Montreal-based designer Raku Inoue create his striking ‘Natura Insects’ series of plant sculptures on Instagram? It starts with collecting and sorting interesting materials from his garden, going with the flo...

Observing the angle of repose with DIY physics devices

The angle of repose or critical angle of repose is how steep various types of materials can be piled without slumping. The steepness of the side of a pile is determined by the amount of friction between the particles ...

How to make a Renaissance sugar sculpture

Learn how to make a sugar sculpture, a small yet luxurious art spectacle from the Renaissance Period. Food historian Tasha Marks demonstrates how to create these displays from a sugar plate recipe in this episode of T...

How bubble engineer Melody Yang makes mind-blowing bubbles

Blowing bubbles might seem pretty simple, but when you've spent a lifetime studying the science and behavior of bubbles, setting world records and creating them for audiences around the world, bubble engineering can b...

Making ice cream with Liquid Nitrogen and Dr. Kate Biberdorf

Dr. Kate Biberdorf is a lecturer and the Director of Demonstrations and Outreach at The University of Texas in Austin, and an internet famous chemist who creates impressive explosions for students all across Texas. In...

Sugar Rainbow, an easy density experiment

We've tried stacking rainbow layers before... but what if we only have water, sugar, and food coloring or coloring tablets to experiment with? Check out this Sugar Rainbow experiment, an easy way to learn about densit...

How To Grow Coral

When visitors at Georgia Aquarium gaze upon the diverse array of colorful corals, [biologist Kim] Stone says many mistake the often stationary specimens for beautiful rocks. But corals are actually living animals—they...

How to collect black sand with a magnet

If you're ever at a beach with some black sand in the mix, run a magnet through the sand to see if the black sand sticks. Exploratorium educator Ken Finn demonstrates this experiment with a magnet and a plastic cup at...

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...

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, ...

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...

What Can You Actually Do About Climate Change?

The average carbon footprint of a person in the US is 16.5 tons –TONS. So, what can you actually do decrease this number and make a meaningful difference? Miriam Nielsen itemizes how our individual choices can hav...

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