Topic: diy

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4 Levels of Spaghetti & Meatballs: Amateur to Food Scientist

We challenged chefs of three different levels - an amateur, a home cook and a professional chef - to make their versions of spaghetti & meatballs. And then we brought in a food scientist to review their work. What...

What’s the right way to wash your hands?

Handwashing is an easy and effective way to avoid catching the common cold or a seasonal flu. But not using enough soap or washing your hands too quickly might not get rid of all of the germs—bacteria, viruses, fungi,...

How can bananas make music?

If you've ever wondered how musical circuit boards like the Makey Makey Invention Kit or the Ototo experimental PCB-based synthesizer work, this video from BBC Earth Lab breaks down the science. Sound artist and d...

How to make a flipbook

Animation is made from a series of still images that, when played quickly in succession, create the illusion of movement. This is best illustrated in the pages of a flipbook, especially a flipbook that you've drawn yo...

Watercolor, gouache, acrylics, a paint comparison

Why might you pick watercolor paints or acrylics or gouache? What techniques can you use when painting with each kind of binding option for your pigments? In this paint comparison video, Germany-based artist and YouTu...

Beet Beet, Sugar Beet and how sugar is made

See how sugar is harvested from the sugar beet in this classic and catchy 1979 video from Sesame Street: Beet Beet, Sugar Beet. Some background from Wikipedia: The sugar beet has a conical, white, fleshy root (a ta...

Fold ‘N Fly paper airplane instructions & video tutorials

From the prolific Fold’n’Fly database of paper airplanes with easy-to-follow folding instructions, learn how to make The Sprinter Acrobatic Paper Airplane, above, and more than three dozen other fun plane designs. The...

Is it impossible to skip a stone 89 times?

"Skipping a stone might seem like a simple thing, but it's actually this beautifully complex mix of skill, athleticism, and fascinating physics." And in what might be one of the more comprehensive stone skipping video...

How to perform a pirouette and a French fouetté

How do ballet dancers pirouette? Warm up your feet, prepare into fourth position, practice the motion, spot, and then pirouette. Then repeat, repeat, repeat. Alexandra Macdonald, first soloist with The National Ballet...

Thumb-dented aluminum can sculptures

When Noah Deledda empties an aluminum can, he doesn't throw it into a recycling bin. He reuses it, creating aluminum can sculptures by methodically denting small areas of the cans into patterns with his thumbs. He doc...

How to make an origami Butterfly Ball

Learn how to make an origami Butterfly Ball that bursts apart when you hit it. This easy-to-follow tutorial by Jo Nakashima takes us through each step. For this design by Kenneth Kawamura, you'll need 12 small square ...

Cat’s Cradle: How to play with two people

Learn how to play a two-person version of Cat's Cradle, a very old analog string game, with these step-by-step instructions from YouTuber Mom's Minivan. The easy-to-follow tutorial shows three basic string shapes play...

The Self-Solving Rubik’s Cube

What if, when you twist and turn the Rubik's Cube to mix it up, the cube remembers exactly what you did and/or somehow solves itself? This self-solving Rubik’s Cube does just that, flipping and twisting all over (and ...

Four levels of chocolate chip cookies: From amateur to food scientist

Learn a few professional tips of what to do (and maybe what not to do) when baking this classic: Chocolate chip cookies. Amateur baker Alina, home cook Lorenzo, and Penny, a professional chef, demonstrate how they mak...

How to draw a cubetacular hole in your paper

Learn how to draw a hole in your paper with falling and floating 3D cubes. This short video from Circle Line Art School shares how to easily create the anamorphic drawing illusion with a pencil and a marker. Impro...

The Meissner Effect: How to levitate a neodymium magnet

A neodymium magnet cube sits on a surface of yttrium barium copper oxide—YBa2Cu3O7, nicknamed YBCO—inside the bottom of a styrofoam cup. A small amount of liquid nitrogen is poured slowly over the YBCO. As it cools, t...

Toy Car Restoration: A No67 Volkswagen 1600 TL and a 1971 Bye-Focal

When old metal toy cars see lots of play time they can get pretty chipped and scratched up. How do hobbyists restore these gems? YouTuber BaremetalHW shares his 2017 restoration of a London-made Lesney Products' Match...

What happens to balloon animals in liquid nitrogen?

How can you fit a bunch of balloon animals into a small container? Add some liquid nitrogen into the mix, as demonstrated in this video by Real Physics Live, the YouTube channel for Texas A&M University's Department o...

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