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Topic: perception
How to Handle Shots
Getting a shot is no fun. Just thinking about getting the shot before it happens can feel uncomfortable, even downright scary. The anticipation might be worse than the shot itself. Why do we have to get shots? And how...
Hypocycloid circular motion optical illusion
A circle made of points, shown here with small white balls, appears to roll around the inside edge of a larger circle, but is that what's really happening? File under: Cycloids, hypocycloids, and optical illusions. Th...
How do our eyes and brains work together?
How does an eye work? How do our brains try to interpret the information our eyes send them? And is seeing really believing? This episode of National Geographic's Decoder explains how our eyes and brains work together...
Triply Ambiguous Object by Kokichi Sugihara
Continuing his highly-regarded work in the illusion community, artist and mathematician Kokichi Sugihara won the 2018 Best Illusion of the Year award for his Triply Ambiguous Object. The piece includes a paper with an...
Herman Brown is Feeling Down
"Herman's quiet world is suddenly interrupted by something loud and stressful." What is that noise? What is that feeling? Is it as big as it seems or are things not quite that bad? Herman Brown is Feeling Down is a...
Why do we confuse weather and climate?
Weather and climate are not the same things, yet we might get confused between the two. What is weather and what is climate? And how is climate like the game Plinko? In this episode of PBS Digital Studio's Hot Mes...
Professor Kokichi Sugihara creates his mind-blowing illusions with math
Professor Kokichi Sugihara is world-renowned for his award-winning impossible objects and reality-defying illusions. He uses mathematics to make the three-dimensional objects that create his impossible scenes and illu...
perspective ǝʌᴉʇɔǝdsɹǝԀ
"Buildings dancing, Perspectives shifting." Designer and animator Lauren Pedrosa plays with patterns, perceptions, and everchanging orientations in this short video titled perspective ǝʌᴉʇɔǝdsɹǝԀ.
Starling murmuration, a stunning clip from Jan van Ijken’s ‘The Art of Flying’
Murmurations, those dense clouds of whirling, pulsating, shapeshifting starling flocks, are a breathtaking dusk phenomenon. How do thousands of birds change directions and seemingly move as one without colliding? Dutc...
What does the wheelchair symbol actually mean?
Some of the world’s most recognizable symbols exist to sell products. Others, to steer traffic or advance political causes. But there’s one whose main purpose is to help people. You may know it as the wheelchair symbo...
An incoming storm delivers a world full of color
An incoming rainstorm brings a rainbow of sound and color to a little girl's world. Nieta, which means "granddaughter" in Spanish, is an award-winning animated short by Argentine filmmaker Nicolás P. Villarreal.
Unendurable line – Design Ah!
Consider this line and its corresponding chorus as they graph and reflect the variables of different objects. It's a visual and aural experiment that can be created for anything... toast in the toaster, the wind in th...
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...
It’s different from what you expected – Design Ah! (デザインあ)
A slow-building set up and then a surprising twist: "It’s different from what you expected" is a series of perception-bending short clips by Tokyo-based director Daihei Shibata. They were created for Design Ah! (デザ...
How to change anxiety into excitement
Starting at a new school, performing in a recital, riding a rollercoaster, playing against a tough team, taking a test... there can be so many times when we might feel worry, anxiety, and stress about a task or experi...
How to wait for a very long time
"How to wait for a very long time is a short film about a fisherman who is obsessed with catching a certain fish. His whole life he tries to make a big haul, but just catches other fishes instead. Over time he gets fr...
A million things that make your head spin, a rainbow tape time lapse
A "six-story hurricane of color" ascends up into the atrium of Sydney, Australia's Customs House. The piece, titled A million things that make your head spin, was designed and installed with flagging tape—a weather-re...
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...
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