Topic: illusion

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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...

The Hidden Chairs

Which way is the chair facing? Watch the Dezeen video above and see if you've guessed correctly. The black lacquered plywood chair, one of three designed by French design studio Ibride, references furniture design fro...

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...

The Infinite Now, a series of oceanscape cinemagraphs

Over the past months I've been working with Australian photographer Ray Collins to bring his amazing oceanscapes to life in the form of cinemagraphs, a blend between photography and video. Each cinemagraph is created ...

How to make a Hollow Mask Illusion

How do we perceive faces? With some balloons, newspaper, some paste for paper mâché, and paints, you can create a hollow mask that appears to follow you as you move back and forth around the room. Rachel and her child...

The mathematics of sidewalk illusions

Have you ever come across an oddly stretched image on the sidewalk, only to find that it looks remarkably realistic if you stand in exactly the right spot? These sidewalk illusions employ a technique called anamorphos...

Walt Disney explains his studio’s multiplane camera technology

The multiplane camera, invented in 1937 for Walt Disney Studios by William Garity, was an incredible piece of technology that helped create the illusion of depth in animated motion pictures. Filmed in 1957, the multip...

You Can’t See This (Mind Tricks)

Our brains and eyes aren't always showing us everything that's available to see. Instead, learning, memory, and expectation changes our vision to fit as much as we can comprehend in any given moment. In this AsapScien...

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...

Howard Lee’s hyperrealistic drawing illusions

Turning hyperrealism into a video guessing game, illustrator and illusionist of sorts Howard Lee draws objects on paper that attempt to reach photographic levels of detail. Above, his Drawing Trick with Marbles. B...

Buster Keaton – The Art of the Gag

Buster Keaton was known as 'The Great Stone Face', a reference to the deadpan expression he wore during some of the most incredible physical comedy scenes known in film. His artistry as a vaudevillian, a comedian, a f...

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...

Make a 3D “hologram” using your smartphone & a CD jewel case

Create a 3D hologram illusion with your smartphone! This DIY tutorial by Arun Maini, inspired by YouTuber American Hacker, shows us how with the help of an old CD jewel case, some graph paper, a pen, scissors, an x-ac...

Mars Loops the Loop – What is retrograde motion?

What is retrograde motion and why does a planet like Mars appear to change directions in the night sky? Is it playfully looping about in its orbit around the sun or is something less strange going on? From episode 2 o...

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...

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 ...

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