Hi, what do you want to do?
Ancient Lights Media
Refraction in the Atmosphere
Refraction Set: 2. This clip explains the atmospheric refraction that includes mirages, rainbows and sunsets.
Curated Video
The Unconscious Inference: How Your Mind Fills in the Blanks of Vision
We make a lot of assumptions about the things we see without even thinking about it. We fill in visual gaps based on information from past experiences. This is called unconscious inference. Learn how and why we do this.
Curated Video
How Animals Blend into Their Surroundings
This video explores the concept of camouflage in animals and how it helps them survive in nature. It explains the different ways animals blend into their surroundings, such as matching their background or having special designs on their...
Curated Video
Visual Effects: Colors, Contrasts, and Perception
In this video, we explore the fascinating effects of color mixing and contrast on our perception. From the creation of mesmerizing patterns to the disappearance and reappearance of objects, we discover how our brain interprets visual...
Steve Spangler Science
Disappearing Money - Sick Science! #049
Bring a little magic into the classroom. Fill a cup with water, place a plate underneath it, and watch a coin disappear. This is a great way to kick off a discussion involving the behavior of light and the concepts of reflection and...
Curated OER
Color Mixing Wheel
Two scientific concepts can be taught with this activity. First, the mixing of primary colors is demonstrated. As the color wheel spins, red, yellow, and blue are no longer visible; secondary colors orange, purple, and green appear in...
Curated OER
Disappearing Money
Bring a little magic into the classroom. Fill a cup with water, place a plate underneath it, and watch a coin disappear. This is a great way to kick off a discussion involving the behavior of light and the concepts of reflection and...
Steve Spangler Science
Color Mixing Wheel - Sick Science! #019
Two scientific concepts can be taught with this activity. First, the mixing of primary colors is demonstrated. As the color wheel spins, red, yellow, and blue are no longer visible; secondary colors orange, purple, and green appear in...
Steve Spangler Science
Mysterious Appearing Colors - Sick Science! #050
Experiment with light and color using the activity from this film. Learners can make their own spinning discs to demonstrate the principles. This is a hands on way to explore color and optical illusion. As an added bonus, your scientists...
TED-Ed
The Moon Illusion
Does the moon change size? It sure looks like it! Two optical illusions are suggested as an explanation: Ebbinghaus and Ponzo. However, there are problems with both of these. Convergence micropsia may answer the question, but many...
Crash Course
Crash Course Film History #1: Movies Are Magic
This video focuses on how early movies were made using the phi phenomenon, an illusion of motion created when still pictures were viewed quickly. The history of still pictures began with the camera obscura, Daguerreotype, Eastman's...
Science Friday Initiative
Science Friday: Enter an Optical Illusion
Gravity doesn't behave as expected in a new art exhibition in New York City. [5 mins. 40 secs.]