Crash Course
Vision: Crash Course A&P
Next stop in our tour of your sensory systems? VISION. With a little help from an optical illusion, we take a look inside your eyes to try to figure out how your sense of vision works -- and how it can be tricked. *** Table of Contents...
TED-Ed
TED-Ed: How does the Rorschach inkblot test work? - Damion Searls
What are the origins of the Rorschach test and how does it work? Explore the inkblot tool psychologists use to test a subject’s perceptions and mental health. -- For nearly a century, ten inkblots have been used as an almost mystical...
Bozeman Science
Ray Diagrams - Lenses
In this video Paul Andersen explains how ray diagrams for lenses can be used to determine the size and location of a refracted image. Images may be either real or virtual images. Ray diagrams for converging and diverging lenses are...
TED-Ed
TED-Ed: The neuroscience of imagination - Andrey Vyshedskiy
Imagine, for a second, a duck teaching a French class. A ping-pong match in orbit around a black hole. A dolphin balancing a pineapple. You probably haven't actually seen any of these things. But you could imagine them instantly. How...
Crash Course
Geometric Optics: Crash Course Physics
LIGHT! Let's talk about it today. Sunlight, moonlight, torchlight, and flashlight. They all come from different places, but they’re the very same thing: light! It’s what makes it possible for us to see the world around us, so it’s worth...
SciShow
Choosing a Telescope: Bigger Isn't Always Better!
Before you take your relationship with space to a new level by getting a telescope, find out what you really need to make the most of your summer nights staring at the sky.
Bozeman Science
Ray Diagrams - Mirrors
In this video Paul Andersen explains how ray diagrams can be used to determine the size and location of a reflected image. Ray diagrams for plane, concave, and convex mirrors are included.
Bozeman Science
Specular Reflection
In this video Paul Andersen explains how light that is perfectly reflected creates specular reflection. The angle of the incident ray is equal to the angle of the reflected ray. Specular reflection is also known as mirror-like...
Crash Course
Rap and Hip Hop: Crash Course Black American History #47
Music is an integral part of Black American culture. Today, Clint Smith will teach you about rap & hip hop, and the cultural significance of artists including Public Enemy, Wu-Tang Clan, the Notorious B.I.G., Tupac, N.W.A., Queen...
SciShow
The Real Science of Forensics
In this episode of SciShow, we're going to investigate a murder. But first, we're going to have to learn all about forensics, the use of science in criminal law -- and the real-life version is a little different from what you might see...
SciShow
From Optics to Spacewalks: Dr. Ellen Ochoa | Great Minds
Dr. Ellen Ochoa is incredible! She published over a dozen papers, co-filed three patents, and was a NASA engineer, all before becoming an astronaut and spending nearly a thousand hours in space.
Crash Course
Optical Instruments: Crash Course Physics
How do lenses work? How do they form images? Well, in order to understand how optics work, we have to understand the physics of light. In this episode of Crash Course Physics, Shini talks to us about optical instruments and how they make...
TED Talks
Aliens built the pyramids and other absurdities of pseudo-archaeology | Sarah Kurnick
Aliens have invaded ancient history: they've cropped up in humanity's past through popular television and movies, displacing facts with absurd yet commonplace beliefs like "aliens built the pyramids." Archaeologist Sarah Kurnick...
Crash Course
Unsupervised Learning
Today, we’re moving on from artificial intelligence that needs training labels, called Supervised Learning, to Unsupervised Learning which is learning by finding patterns in the world. We’ll focus on the performing unsupervised...
TED Talks
TED: 24 hours on Earth -- in one image | Stephen Wilkes
Nature reveals itself to us in unique ways, if we stop and look at the world through a window of time, says photographer Stephen Wilkes. Using a special photographic technique that reveals how a scene changes from day to night in a...
TED-Ed
TED-Ed: The psychology of narcissism - W. Keith Campbell
Narcissism isn't just a personality type that shows up in advice columns; it's actually a set of traits classified and studied by psychologists. But what causes it? And can narcissists improve on their negative traits? W. Keith Campbell...
TED Talks
TED: Maps that show us who we are (not just where we are) | Danny Dorling
What does the world look like when you map it using data? Social geographer Danny Dorling invites us to see the world anew, with his captivating and insightful maps that show earth as it truly is -- a connected, ever-changing and...
TED Talks
Photographs of secret sites - Taryn Simon
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Taryn Simon exhibits her startling take on photography -- to reveal worlds and people we would never see otherwise....
SciShow
Does Photographic Memory Exist?
Don't you think it would be nice if you had a photographic memory? But is it actually a thing?
TED-Ed
TED-Ed: Why should you read Edgar Allan Poe? - Scott Peeples
The prisoner strapped under a descending pendulum blade. A raven who refuses to leave the narrator's chamber. A beating heart buried under the floorboards. Poe's macabre and innovative stories of gothic horror have left a timeless mark...
Crash Course
Telescopes
Today Phil explains how telescopes work and offers up some astronomical shopping advice.
Curated Video
The most popular types of MEDICAL IMAGING techniques
X-Rays, CT Scans, MRIs, Mammograms, Ultrasounds, and PET Scans are some of the more important types of medical imaging techniques used by doctors and other healthcare professionals to look inside our bodies. DISCLAIMER: The content in...