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Curated Video
How to Make a Silver Egg
When you hold the egg close to the flame, it gets covered in soot. Soot repels water, similar to oil. When we put our sooty egg in the water, it creates a small air bubble around it. This bubble reflects light, and makes the egg look...
Curated Video
Why Does Your Skin Look Green?
The beard appears as dots of color when it first begins growing back because each hair is still tiny and short. When the stubble has just begun to sprout, the young facial hair emerges as small black or brown dots on fair skin. Seen from...
Wonderscape
Eyes and Optical Illusions: The Science of Seeing
This video examines the retina's photoreceptors, rods and cones, and their roles in vision, particularly in color perception and low-light conditions. It also explores optical illusions, showing how the brain can be tricked by visual...
Curated Video
Summer DIY Project: Make A Paper Spinner
Rainbows may be tough to find when it's sunny outside, but with some colorful paper and some velocity, you can create your own rainbow effect!
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In this video tutorial, Jessie shows you how to make a colorful Pape
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In this video tutorial, Jessie shows you how to make a colorful Pape
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Learning Mole
How Does it Work? - Optical Illusions
This video is explaining how optical illusions work for kids.
Curated Video
Why Do Wheels Appear to Spin Backwards (at High Speeds)?
At high speeds, wheels may appear to be turning backwards, creating an optical illusion known as the Wagon wheel effect. This happens because our brains fill in gaps between images to create the illusion of continuous movement. As a...
Science Buddies
The Ambiguous Cylinder Illusion
Science Buddies
The Impossible Arrow Illusion
The "impossible arrow" illusion by Prof. Kokichi Sugihara seems to break the laws of physics. The arrow always seems to point in one direction when you try to rotate it, but its reflection in a mirror points the other way! Learn about...
Science Buddies
Make 3D Printed Optical Illusions
Make your own amazing 3D printed optical illusions based on the work of Professor Kokichi Sugihara, including the "impossible arrow" and other shapes! These illusions exhibit "anomalous mirror symmetry" where their reflections appear...
Science Buddies
The Stroboscopic Effect with Water Drops
Is this water "falling up"? This video explains the illusion behind the
stroboscopic effect and how it can make water drops look like they
are
falling up or even hovering in mid-air. Check out the Science Buddies website for...
stroboscopic effect and how it can make water drops look like they
are
falling up or even hovering in mid-air. Check out the Science Buddies website for...
Science Buddies
DIY Levitating Water Drop Fountain
Build your own levitating water fountain! Use the stroboscopic effect to
"freeze time" and make water drops look like they are frozen in mi
d-air
or even falling up. Check out the Science Buddies website for written...
"freeze time" and make water drops look like they are frozen in mi
d-air
or even falling up. Check out the Science Buddies website for written...
Science Buddies
The Wagon Wheel Effect | Optical Illusion Science Experiment
Have you ever seen a video where it looked like a car's wheels or a helicopter's blades were spinning backwards? This optical illusion is called the wagon wheel effect, named after old movies where it looked like wagon wheels were...
The Art Assignment
Art is Pretentious* | The Art Assignment | PBS Digital Studios
*and other things I learned about art from the internet.
Curated Video
The Phenomenon of Temporal Induction in Speech
When small sections of speech or sound are removed, our brains fill in the gap. This is called Temporal Induction of Speech. Learn how it works and listen to an example.
Curated Video
Mirage: Why Does It Look Like There's Water On The Road?
The fake puddles of water that we see on the road on a sunny day is due to an optical phenomenon called a mirage, which is caused by the refraction (or bending) of light rays due to different temperatures of the air above the road. On a...
Physics Girl
Does this look white to you?
When you mix red and green, what do you get? White light is all of the colors, right? So, how do computer screens show you every wavelength of light? Or do they?
National Institute of Standards and Technology
Thrown For A Curve- NISTory
Nowadays, we take the curveball for granted, but in the early 20th century, many baseball players thought the curve’s sideways movement was an optical illusion. In the 1950s, director emeritus and baseball fanatic Lyman Briggs stepped up...
Curated Video
Animation and Persistence of Vision
Animation is a common effect used in cartoons and videos that allows us to perceive movement in still images. Let's look at some common animation techniques to see how they trick our minds.<b<br/>r/>
Illusions part 6/11
Illusions part 6/11
Curated Video
Rods and Cones of the Eye
Rods and cones are the structures in our eyes that allow us to translate light into images and colors. Learn how these structures work and the role they play in optical illusions.
Curated Video
Exploring Impossible Objects
In this video, we explore the concept of impossible objects, focusing on the famous Penrose triangle. We learn about its origin, how it can be drawn in two dimensions but not exist in three dimensions, and how our brains interpret these...
Curated Video
Understanding Selective Vision
Our eyes take in the world around us, but the real "seeing" happens in the brain. Learn how the brain processes images and why we sometimes see things that may not really be there.
Curated Video
Understanding Color Illusions
This video explores the concept of color illusions and how our eyes perceive and process different shades. It discusses the role of rods and cones in our eyes, the visible light spectrum, and the influence of background objects and...
Curated Video
Understanding Motion Illusions
In this video, we explore how our brain processes visual information and how it can be tricked by optical illusions. From moving images to motion illusions, we learn how patterns, colors, and brightness play a role in shaping our...