Topic: cylinder

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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 does a tunnel boring machine work?

How are new subway tunnels constructed underneath a busy city like Barcelona, Spain? This promotional animation demonstrates how a tunnel boring machine—specifically a Herrenknecht TBM with an Earth Pressure Balance S...

Ambiguous Cylinder Illusion by Kokichi Sugihara

Second place winner of the Best Illusion of the Year Contest 2016, this is the Ambiguous Cylinder Illusion by mathematics professor Kokichi Sugihara of Meiji University in Tokyo, Japan. The direct views of the obj...

The Müpa Budapest Sound Machine, the world’s largest music box

Music box + hamster wheel + Hungary = the Harry Potter Theme Song (Hedwig's Theme), The Nutcracker, Hungarian Rhapsody No. 2, and three other songs. Powered by walking and perfected with hand-punched holes in 8.5m...

How is Victorian Nectar Drop candy made?

...and why are lemon drops, cough drops, and fruit drops all called drops? In this video by Tallahassee, Florida's Lofty Pursuits artisanal candy makers, we get an up close look at how their restored candy equipme...

Stadsmuziek (City Music) – Akko Goldenbeld

A three dimensional wooden map of Eindhoven, The Netherlands wrapped around a turning cylinder -- an external player piano mechanism -- Stadsmuziek (City Music) was a 2011 design project by Akko Goldenbeld: The tal...

Mathematical Present Wrapping with Katie Steckles

When you're wrapping a variety of shapes, it can be a challenge to wrap them neatly, but with a bit of measuring, thoughtful folding, and practice, your cuboid, pentahedron or equilateral triangular prism, cylinder, o...

Surprising Applications of the Magnus Effect – Veritasium

When you drop a basketball from a great height, in this case, 415 feet (126.5 m) off of Tasmania's Gordon Dam, the basketball will generally fall down into the area below where it was dropped. But what happens when yo...

The Ingenious Design of the Aluminum Beverage Can

When we first think of aluminum, we think of aluminum foil or aluminum cans, those ubiquitous containers that line beverage shelves in almost every grocery store. But have you ever thought about the decades of design ...