Topic: balls

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Murmelwelt’s Cuboro/Cugolino “big ball” marble run

A blue marble makes its way through these beautifully designed but hard to find Cuboro/Cugolino ball track blocks with the help of three red marbles and two large wooden balls. The chain reaction filled piece was crea...

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...

Hydrodynamic Levitation

Light balls, disks, and cylinders will levitate on a stream of water in a surprisingly off-center way. In this episode of Veritasium, Derek Muller teams up with Blake from InnoVinci, with some help from aerospace engi...

How table tennis balls are made

The process of making table tennis balls includes lots of measuring and at least one trade secret. Competition-ready balls also go through a series of quality checks by hand—testing the balls' surface, veer, hardness,...

A Japanese ‘Pythagoras Switch’ Rube Goldberg Machine for charity

This awesome Pythagora Switch / Pitagora Suitchi clip launches with a table tennis serve and takes off into chain reactions and table top engineering wonders galore. See ping pong balls, tape rolls, marbles, and metal...

The Universal Tea Machine, a huge mechanical ‘adding computer’

"The better your binary addition skills the better your cup of tea!" The Universal Tea Machine by Smout Allen is a huge mechanical 'adding computer' that mixes tea and mixes tea, a British tradition that became popula...

Power, an animated exploration of illustrated machines

From animator and painter Dana Sink, Power is an animated short film that explores the forms of illustrated machines over time.

Rainbow Wave LEGO Great Ball Contraption

Featuring a 38 color rainbow of LEGO bricks, this Rainbow Wave LEGO Great Ball Contraption (GBC) was built in over 100 hours by Berthil van Beek. It's his first GBC build. Watch as tiny soccer balls and basketballs mo...

Yolanda Baker, last of the disco ball makers

Yolanda Baker's fingers move with electric efficiency as she works her way around a mirror ball early on a Tuesday morning in a small Highlands factory. The core of the mirror ball is dull spun aluminum but with every...

Strain Wave Gearing LEGO Great Ball Contraption (GBC) Module

Behold another excellent Great Ball Contraption (GBC) from LEGO enthusiast Akiyuki, this one with Strain Wave Gearing. Akiyuki explains: Strain wave gearing consists of three components: a wave generator, a flex s...

Most basketball three pointers in one minute (single ball)

For basketball fans and world record aficionados alike, the Harlem Globetrotters went after a few Guinness World Records while at the AT&T Center in San Antonio, Texas this November. Above, Cheese Chisholm scores the ...

How to Make a Tennis Ball

From filmmaker Benedict Redgrove, this is How to Make a Tennis Ball, a wonderful short from inside Wilson's tennis ball factory near Bangkok, Thailand. Redgrove explains: I was commissioned to make a film and shoot...

MVP Stephen Curry’s Ultimate Career Mixtape (2016)

Unanimously voted Most Valuable Player, scoring 402 three-pointers during the regular season, and leading the Golden State Warriors to a 73-9 record (beating Michael Jordan's '95/'96 Chicago Bulls record of 72-10), St...

Magnets & Marbles, Kaplamino’s Pitagora-style chain reactions

Kapla blocks, marbles, steel ball bearings, a few dominos, sticks, and magnetic neocubes or buckyballs power this incredible series of elegant and surprising Rube Goldberg or Pitagora-style chain reactions. An instant...

Science Extras from Jiwi’s (Rube Goldberg) Machines

A YouTube series that hearkens back to characters and situations from old silent films, Jiwi's Machines mixes a love for Rube Goldberg Machines with an ode to comedy greats like Charlie Chaplin or Buster Keaton. T...

Hikaru dorodango, handmade ‘shining mud dumplings’

Around 2001, Professor Fumio Kayo of the Kyoto University of Education made news by bringing the Japanese art of hikaru dorodango (どろ だんご or 'shining mud dumpling') into preschool classrooms as a play activity, t...

The Wintergatan Marble Machine, music made from 2,000 marbles

Multiple instruments are interlaced within this 3,000 part, hand-crafted invention by Swedish musician Martin Molin. With continuous cranking, lever flips, and other machine tweaks, his original composition comes to l...

Upside Down & Inside Out – OK Go in zero-g

Filmed in one long take, thanks to 20 flights aboard a Russian S7 Airlines parabolic flight, stunt-video aficionados OK Go present Upside Down & Inside Out, all filmed in zero gravity with, as they note, no wires or g...

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