Topic: shapes

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LEGO Mindstorms EV3 Pipe Cleaner Bending Robot

Programmed to bend and curve pipe cleaners at just the right points to make shapes, this LEGO Mindstorms EV3 Pipe Cleaner Bending Robot creates colorful magic wands. The machine was designed and built by prolific pro ...

Arena, a fast-paced look at the earth from above

Using images captured by Google Earth, Ireland-based artist Páraic McGloughlin speeds through scheme after scheme of human-made shapes and structures from high above in the experimental film short Arena. From McGlough...

Hammering, sanding, & polishing aluminium foil into a shiny sphere

In March 2018, YouTuber SKYtomo shaped, sanded, and polished a ball of aluminum foil into a shiny sphere, a ten-minute video that's currently approaching four million views. His project seems to have inspired other Yo...

How to Make 29 Handmade Pasta Shapes With 4 Types of Dough

How are different kinds of pasta shapes made? In this epic 27-minute Bon Appétit video, Eataly Flatiron's pastaio Luca D'Onofrio demonstrates how to make 29 handmade pasta shapes with four types of dough: Semolina pas...

How To Make Geometric Pies by lokokitchen

Self-taught baker Lauren Ko creates geometric pies and shares them on her popular Instagram account lokokitchen. In this Tasty video, she talks about what inspired her to start baking, how she learns new tricks, and h...

A fully functioning Rubik’s Cube made from real ice

This fully functioning Rubik's Cube was made from ice by professional puzzle maker Tony Fisher... eight corner pieces and twelve edge pieces of solid ice, along with six center pieces made from ice, plastic, and metal...

Music Animation Machine, colorful visualizations of classical music

Performed by Stephen Malinowski and accompanied by his Music Animation Machine classical music visualizations, enjoy Frédéric Chopin's Etude, opus 25 #4 in A minor. Malinowski's music animations have taken on a va...

An unexpected way to inflate a balloon – Numberphile

The kamifusen is a traditional Japanese paper (kami) balloon (fusen) toy that became popular in the 1890s and can still be found in a variety of designs or decorated as spherical koi, pufferfish, penguins, monkeys, ra...

Homemade marble track demonstrations by science teacher Bruce Yeany

Science teacher Bruce Yeany uses this collection of physics marble tracks to introduce and reinforce his students' ideas about perpetual and kinetic energy, motion, acceleration, inertia, and more. The tracks—stringle...

Mirror, a short story of similar objects

How many times it happened to find similar shapes between them which seem to have any kind of relationship? As often it happens in nature all is apparently different but essentially the basic shapes are repeated wi...

How to draw a circle without a compass

Gather three sharpened pencils, three rubber bands, a few paper clips, some cardboard, a push pin, some string, and some paper to try these five solutions: How to draw a circle without a compass. Don't have that much ...

Most Satisfying Video of Pop-Up Cards designed by Peter Dahmen

Germany-based paper engineer Peter Dahmen designs and builds intricate paper structures and pop-up cards. Titled Most Satisfying Video of Pop-Up Cards, the video above showcases how Dahmen's personal and commercial wo...

How many ways are there to prove the Pythagorean theorem?

What do Euclid, 12-year-old Einstein, and American President James Garfield have in common? They all came up with elegant proofs for the famous Pythagorean theorem, one of the most fundamental rules of geometry and th...

The footstep illusion & more optical tricks from Akiyoshi Kitaoka

Professor Akiyoshi Kitaoka studies and makes visual illusions in the psychology department at Kyoto's Ritsumeikan University. In the illusion above, via Twitter, he demonstrates the footstep illusion. It's explained o...

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...

How to draw a floating / levitating cube

Amaze friends and family with your version of this anamorphic optical illusion: a floating/levitating cube. Though it may take some practice to get the proportions and shading right, this 3D quick trick tutorial by ar...

Three Gears are Possible

If you've ever seen an image of three gears all interlocking or an odd number of interconnecting gears, like those gears on some British two pound (£2) coins, you've seen a gear configuration that does not work. Howev...

A 3D printed mechanical laser show machine

Engineer, maker, and 3D printing enthusiast Evan Stanford has created a 3D printed, hand-cranked mechanical laser show machine that 'draws' with projected light. The drawn shapes are created with two rotating cams tha...

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