Topic: optical illusions

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Pattern distortions seen through a glass of water

Try this classic trick at home with different shaped glasses (which shapes the water within them) and a few patterned backgrounds. As you look through the glass, you'll see the background pattern shift. Why? As the li...

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...

Yosemite’s Horsetail ‘firefall’ at sunset

Filmed on February 15th, 2016, a brilliant sunset illuminates the white mist and spray of Yosemite National Park's Horsetail Fall with bright oranges and reds. Called a 'firefall', the name for this optical illusion "...

Quirkology’s 10 Amazing Optical Illusions (and how to make them)

From former magician/current author and British psychologist Richard Wiseman, enjoy these 10 amazing DIY optical illusions that you can try at home: A LEGO impossible object, a kiwi triangle, an appearing straw, an up...

Contact juggling with street music

Watch this young Switzerland-based performer and contact juggler in an impromptu sidewalk performance with an upright bassist and an accordionist. This kind of contact juggling is a style of object manipulation that m...

Three quirky sleight of hand illusions by Richard Wiseman

From former magician/current author and British psychologist Richard Wiseman, watch Assumptions, a 2012 short promotional video from his psychology-based Quirkology YouTube channel. Below, enjoy The Tube of Mystery an...

The Mephisto Spiral – Part magic trick, part optical illusion

Watch as Grand Illusions' Hendrik Ball deftly showcases The Mephisto Spiral, a brain-breaking toy that seems to mix an optical illusion with a bit of the slight-of-hand skills required for magic tricks: It looks li...

Kokichi Sugihara’s Impossible Rooftop & Folding Ladder Illusions

File under impossible objects, this is the Impossible Rooftop Illusion or "Anti-Gravity Two Sided Roof" by Meiji University's Professor Kokichi Sugihara in 2013. Using computer software, Sugihara creates award-winning...

CYMATICS: Science + music = audio frequency visualizations

With help from a Chladni Plate, vibrating liquid on a speaker dish, a hose pipe optical trick, ferrofluid, a Ruben's Tube, and a Telsa Coil, New Zealand musician Nigel Stanford showcases audio frequency visualizations...

The Crazy Circle Illusion – How are these dots moving?

In this Brusspup mind-bender, you may think you see a circle of eight white dots rotating around the inside of a larger red circle, but you're actually witnessing something else, and you may not believe it unless you ...

Bernard Pras’ anamorphic portrait of Ferdinand Cheval

At the at Palais Idéal du Facteur Cheval, in Hauterives, France, there's a piece by French painter, photographer and sculptor Bernard Pras that transforms seemingly broken objects into a portrait of French postman and...

The Writing’s on the Wall – OK Go

A four-minute, epic one-take video that adds to their highly ambitious visual collection of music, this is OK Go's The Writing's on the Wall. The series of forced perspective and anamorphic illusions, with a few gravi...

Amelymeloptical Illusion: A ring performance

Amelymeloptical Illusion, a seemingly simple yet enthralling rings performance from French juggler Lindzee Poi.

The Reversing Arrow Illusion: An amazing & easy trick for all ages

We just tried this super easy Reversing Arrow Illusion, and it is, in fact, super easy. Draw two left-pointing arrows on a piece of paper and then put a clear, empty glass between you and thos...

How to make Pearls of Water – Science Demo

Gravitational acceleration + optical illusions + how to! In this Get Set… Demonstrate, science teacher Alom Shaha shows step by step how to create Pearls of Water, a physics-defying dem...

Rainbow in Your Hand by Masashi Kawamura

This is Masashi Kawamura's Rainbow in Your Hand. In the archives: more flipbooks.

Rotating head illusion and Yes/No by Markus Raetz

Swiss painter, sculptor, and photographer Markus Raetz creates lyrical art that explores illusion and perception. In the piece above, rotating leaves of cut metal reveal a “turning”...

How To Draw Your Hand In 3D

Here’s a fun, quick trick: How To Draw Your Hand In “3D”. What other things around the house or outside can you use this technique with?

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