Crash Course
3D Graphics: Crash Course Computer Science
Today we’re going to discuss how 3D graphics are created and then rendered for a 2D screen. From polygon count and meshes, to lighting and texturing, there are a lot of considerations in building the 3D objects we see in our movies and...
Rock 'N Learn
Physical Science : Light And Energy
Physical Science for Kids is the fun way to learn important facts about physical science and get ready for tests. Take a fascinating journey to the Super Science Station to learn about light and energy.
Mazz Media
Light
Using real world demonstrations and colorful graphics, Real World Science: Light teaches students the different properties of light, pertinent definitions and how light travels. Students will learn how different mediums can affect light,...
Bozeman Science
Light Absorption, Reflection, and Transmission
In this video Paul Andersen explains how light can be absorbed, reflected, or transmitted as it moves from one medium to another. The reflection of different wavelengths creates the perceived color of an object. Absorbed light is...
Bozeman Science
Refraction of Light
In this video Paul Andersen explains how light can be refracted, or bent, as it moves from one medium to another. The amount of refraction is determined by the angle of incidence and the index of refraction. Snell's Law can be used to...
Crash Course
Screens & 2D Graphics: Crash Course Computer Science
Today we begin our discussion of computer graphics. So we ended last episode with the proliferation of command line (or text) interfaces, which sometimes used screens, but typically electronic typewriters or teletypes onto paper. But by...
Bozeman Science
Light and Matter
In this video Paul Andersen explains why light is important in probing matter. Light travels in photons and the energy of individual photons is determined by Planck's equation. Infrared spectroscopy is useful in detecting the vibrations...
Visual Learning Systems
The Nature of Water
This video provides a description of the properties and characteristics of water. It explains that water can exist as a solid (ice), liquid, or gas (steam), and is the only naturally occurring compound that can do so. The video also...
TED Talks
TED: Can light stop the coronavirus? | David Brenner
Far-UVC light is a type of ultraviolet light that kills microbes and viruses and, crucially, seems to be safe to use around humans. Radiation scientist David Brenner describes how we could use this light to stop the spread of SARS-CoV-2,...
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...
TED-Ed
TED-ED: Light seconds, light years, light centuries: How to measure extreme distances - Yuan-Sen Ting
When we look at the sky, we have a flat, two-dimensional view. So how do astronomers figure the distances of stars and galaxies from Earth? Yuan-Sen Ting shows us how trigonometric parallaxes, standard candles and more help us determine...
SciShow
The Science of Sunbeams
Sunbeams shooting down through the clouds make for some great photographs, but what's the science behind these beautiful rays of light?
SciShow
Science Superlatives of 2015!
Learn about the strongest, slowest, and fastest science in 2015!
TED Talks
TED: How we can use light to see deep inside our bodies and brains | Mary Lou Jepsen
In a series of mind-bending demos, inventor Mary Lou Jepsen shows how we can use red light to see and potentially stimulate what's inside our bodies and brains. Taking us to the edge of optical physics, Jepsen unveils new technologies...
PBS
New Results in Quantum Tunneling vs. The Speed of Light
Paradoxically, the most promising prospects for moving matter around faster than light may be to put a metaphorical brick wall in its way. New efforts in quantum tunneling - both theory and experiment - show that superluminal motion may...
SciShow
Are Artificial Sweeteners Bad For You?
While scientists have debunked the notion that putting artificial sweeteners in your coffee will give you cancer, that doesn’t necessarily mean you should go hog wild with them.
TED-Ed
TED-Ed: The science of static electricity - Anuradha Bhagwat
We've all had the experience: you're walking across a soft carpet, you reach for the doorknob and - ZAP. But what causes this trademark jolt of static electricity? Anuradha Bhagwat sheds light on the phenomenon by examining the nature of...
SciShow
From Lifesaver Sparks to Life-saving Tech: The Science of Triboluminescence
You might know that if you chomp on a Wint-O-Green Lifesaver in a dark room, you can see little blue flashes of light in your mouth. What you might not know is that this is an example of triboluminescence: a fascinating, somewhat...
SciShow
From Lifesaver Sparks to Life-saving Tech: The Science of Triboluminescence
You might know that if you chomp on a Wint-O-Green Lifesaver in a dark room, you can see little blue flashes of light in your mouth. What you might not know is that this is an example of triboluminescence: a fascinating, somewhat...
SciShow
The Strange Scourge of Light Pollution
Light pollution -- it's not just the bane of light sleepers and frustrated astronomers. It also is tinkering with the biological cycles of all kinds of living things, including us! SciShow takes you behind the glare to understand the...
SciShow
SciShow Quiz Show: The Science of Puppies!
SciShow Quiz Show is back, with familiar faces Hank Green and Lindsey Doe matching wits about ancient science, puppies, and all kinds of words that have “sex” in them!
Crash Course
Light Is Waves: Crash Course Physics
The way light behaves can seem very counter intuitive, and many physicists would agree with that, but once you figure out light waves it all starts to make more sense! In this episode of Crash Course Physics, Shini shows us how we know...
SciShow
Astronauts' Arch-Enemy: Dust
For astronauts, dust is no joke. On the moon and Mars, dust isn't at all like the stuff under your bed. It can be poisonous, corrosive, even made of razor-sharp glass. So future astronauts are going to need more than a dust buster to get...
Crash Course
Alchemy: History of Science
In fantasy stories, charlatans in fancy robes promise to turn lead into gold. But real alchemists weren’t just mystical misers. They were skilled experimentalists, backed by theories of matter. And they played a huge role in the...
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