SciShow
Don’t Look At the Sun! …Unless | Compilation
It’s common knowledge that you should never look directly at the sun. But, like, what about during an eclipse? Surely you can look then?
Crash Course
Leonardo DiCaprio & The Nature of Reality: Crash Course Philosophy
Today Hank gains insight from that most philosophical of figures...Leonardo DiCaprio. In this episode, we’re talking about the process of philosophical discovery and questioning the relationship between appearance and reality by taking a...
SciShow
How Does a Photon Become a Film Photo?
The chemistry behind film photography is pretty fascinating. How do film cameras help us turn light into a physical image?
SciShow
Why Solar Eclipses Create Those Crescent-Shaped Lights
Everyone is watching the sky during a solar eclipse, but but if you look down, you'll catch another kind of light show.
SciShow
How Birds Really See the World
Ever wonder what it looks like from a birds-eye-view? Hank explains they see more than you think!
TED-Ed
TED-Ed: What are those floaty things in your eye? - Michael Mauser
Sometimes, against a uniform, bright background such as a clear sky or a blank computer screen, you might see things floating across your field of vision. What are these moving objects, and how are you seeing them? Michael Mauser...
TED Talks
Alexa Meade: Your body is my canvas
Alexa Meade takes an innovative approach to art. Not for her a life of sketching and stretching canvases. Instead, she selects a topic and then paints it--literally. She covers everything in a scene--people, chairs, food, you name it--in...
3Blue1Brown
But WHY is a sphere's surface area four times its shadow?
Two proofs for the surface area of a sphere
Be Smart
Can You Bend Light Like This?
The other day I got bored and noticed this weird thing happened when I held my finger up to my eye, so I had to science it and figure it out! Let me know if you try these light-bending experiments too, especially that last one that I...
3Blue1Brown
But why is a sphere's surface area four times its shadow?
Two proofs for the surface area of a sphere
MinutePhysics
The "Mountain Or Valley?" Illusion
This video is about a multistable perceptual illusion, similar to the hollow face illusion, whereby maps or aerial or satellite photos look upside down/inside out, ie, concave (valley) parts look convex and convex (mountainous) parts...
Crash Course Kids
Following the Sun
Have you ever wondered why your shadow is longer sometimes and shorter others? It turns out it all has to do with that marvelous big ball of light in the sky; The Sun! This first series is based on 5th grade science. We're super excited...
SciShow Kids
It’s Alive! Biology for Kids
You're alive! And so are all the plants in your garden, the birds in the sky, and the fish in the ocean! But how do we know they're alive? What does it even mean to be alive in the first place!? Join Jessi and Squeaks to learn how...
TED-Ed
TED-ED: Plato's Allegory of the Cave - Alex Gendler
Twenty four hundred years ago, Plato, one of history's most famous thinkers, said life is like being chained up in a cave forced to watch shadows flitting across a stone wall. Beyond sounding quite morbid, what exactly did he mean? Alex...
TED-Ed
TED-Ed: In on a secret? That's dramatic irony - Christopher Warner
You're in a movie theater, watching the new horror flick. The audience knows something that the main character does not. The audience sees the character's actions are not in his best interest. What's that feeling -- the one that makes...
Curated Video
How to Spot a Photo That’s Been Retouched
Howcast - Was Hollywood's most devoted husband caught canoodling with an extra—or is your favorite tabloid faking you out with a Photoshopped picture? Here’s how to tell.
Curated Video
How to Paint Shadows & Highlights with Acrylic Paint
Howcast - Learn how to paint shadows and highlights with acrylic paint from painter Linda Rhea in this Howcast video.
Curated Video
How to Apply Eye Shadow for Black Women
Howcast - Learn how to apply eye shadow for black women from professional makeup artist Nicole Williams in this Howcast makeup tutorial.
Curated Video
How to Create an Easy Makeup Look for Black Women
Howcast - Learn how to do some easy makeup looks for black women from professional makeup artist Nicole Williams in this Howcast makeup tutorial.
Curated Video
How to Draw with Depth
Howcast - Learn how to draw with depth from professional artist Kevin Kobasic in this illustration and drawing tips video from Howcast.
Curated Video
How to Factor In the Time of Day with a Digital Camera
Howcast - Learn how to factor in the time of day when using a digital camera from commercial photographer Dan Bracaglia in this Howcast photography lesson.
Curated Video
Shadows of the Damned Walkthrough: Act 3-3 As Evil As Dead (1 of 3)
Howcast - Check out Part 2 of this Shadows of the Damned walkthrough and beat Act 3-3 with this online demo.