Topic: optical illusions

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“Balloons look really weird when they resonate.” – Steve Mould

What is the resonant frequency of a balloon? Steve Mould hooked up a balloon to a scientific vibration generator to find out. Resonating balloons look really odd on camera. What you see is a sort of slow motion. ...

A Basic Demonstration of Optical Cloaking

Above, A Basic Demonstration of Optical Cloaking. Cloaking is a term for hiding an object from view at specific frequencies, but evidently one can cloak things DIY-style with four mirrors a...

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...

Amelymeloptical Illusion: A ring performance

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

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...

Brusspup’s Amazing Water & Sound Experiment

This mind-bending and water bending viral video is another experiment from Brusspup (featured previously on this site). Here’s the zig zag DIY:  Run the rubber hose down past the speaker so that the hose touc...

Can you trust your eyes? – AsapScience

Can you trust your eyes? This episode of ASAPscience gives you reasons to think about your answer.

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...

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...

How to draw a cubetacular hole in your paper

Learn how to draw a hole in your paper with falling and floating 3D cubes. This short video from Circle Line Art School shares how to easily create the anamorphic drawing illusion with a pencil and a marker. Impro...

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...

How to draw a Penrose Rectangle & other impossible objects

The Penrose Rectangle is what’s known as an impossible object, an optical illusion that is drawn to look like a three-dimensional thing that could never actually exist. If it’s hard to see at first, cover ...

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?

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...

How to make amazing anamorphic illusions

There’s nothing that twists the mind quite like an optical illusion and this one is pretty great. From Brusspup, who has previously created scanimation toys (among many other optical tricks), check out the video...

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...

How to make the Amazing T-Rex Illusion

This T-Rex will turn its head to watch you as you move. But how?? YouTube illusionist Brusspup shares the secret with this Jerry Andrus-inspired trick. And if you want to try it out yourself, Brusspup made these green...

How to make your own thaumatrope

Cut out a white cardboard circle. On the front, draw something on the left. On the back, draw something upside down on the right. Punch two holes in the sides of the circle, as shown above, and thread string through e...

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