SciShow
Why Can't I Use My Laptop Outside?
Why can't laptop screens be viewed outside like e-readers can? It turns out, they use very different technology. But engineers are working on closing the gap.
SciShow
This Toxic Liquid Telescope from the 1850s Is Finally Useful
Sometimes looking into a pool of a toxic liquid holds the secrets of the universe–or maybe just this one time.
Be Smart
The Magic (and Mystery) of Mirrors
How many times do you look in a mirror every day? Have you ever stopped to wonder how they actually work? Mirrors do strange things to our world, seemingly flipping everything so that what was right is left and what was left is right....
SciShow
The Unique Reason Reindeer Change Their Eye Color
Plenty of animal eyes "glow" in the dark, but only one species has eyes that change color with the seasons.
SciShow
The Strange Effects of Diamond Dust
Bright pillars of light... clouds of glowing dust... shimmering discs floating around the sun... signs of extraterrestrial activity, or is there a more rational and scientific explanation for this phenomenon?
SciShow
Why Do I Have to Use a Number 2 Pencil?
Why do exams always tell you to use a number 2 pencil? What happens if you don’t? Quick Questions explains!
TED Talks
TED: The habit that could improve your career | Paul Catchlove
Paul Catchlove believes strongly in the power of reflection. Through every career he's held -- from priest to opera singer to senior management consultant -- he's benefitted from a habit of considering and analyzing his goals, needs and...
TED Talks
TED: The inaccurate link between body ideals and health | Nancy N. Chen
Global obesity rates are on the rise, but body shaming campaigns are doing more harm than good, says medical anthropologist Nancy N. Chen. Reflecting on how the cultural histories of body ideals have changed over time, she offers a new...
SciShow
The Scientist Who Made the Internet Possible | Great Minds: Narinder Singh Kapany
Thanks to Qualcomm for sponsoring a portion of this video.
SciShow
The Unique Reason Reindeer Change Their Eye Color
Plenty of animal eyes "glow" in the dark, but only one species has eyes that change color with the seasons.
TED-Ed
TED-Ed: The myth of Narcissus and Echo | Iseult Gillespie
One day, Echo was drifting through the woods and fell in love with a handsome young hunter named Narcissus. Cursed by Hera to only repeat the last words spoken by another, Echo was unable to converse with him and was soon cruelly...
SciShow
Why Shouldn't You Look at the Sun?
You might have done it accidentally or intentionally but one thing is clear: Don't stare at the the sun! Hank Green explains why.
SciShow
3 Extreme Climate Fixes
Hank talks about a few - maybe crazy, maybe reasonable - geoengineering schemes that some scientists have come up with in order to "fix" climate change, including designer clouds, ocean fertilization, and stratospheric shading with...
Bozeman Science
Waves
Mr. Andersen introduces the concept of waves. Both transverse and logitudinal waves are described. The relationship between wave speed, wave frequency and wavelength is also included.
SciShow
Why Am I Upside-Down When I Look in a Spoon?
We'd like to know why you're staring at yourself in a spoon in the first place. But we can at least answer the question of why you look upside-down when you do.
TED-Ed
TED-Ed: If superpowers were real: Invisibility - Joy Lin
What if invisibility wasn't just the stuff of epic comic book stories? Is it scientifically possible to be invisible? In this series, Joy Lin tackles six superpowers and reveals just how scientifically realistic they can be to us mere...
Bozeman Science
Standing Waves
In this video Paul Andersen explains how standing waves are created through the reflection and interference of traveling waves. Destructive interference creates areas of no movement called nodes. Constructive interference creates areas...
SciShow
The Strange Effects of Diamond Dust
Bright pillars of light... clouds of glowing dust... shimmering discs floating around the sun... signs of extraterrestrial activity, or is there a more rational and scientific explanation for this phenomenon?
SciShow
Cloaking Devices!
Hank pretends he has an invisibility cloak, and describes how some enterprising scientists are working towards making things invisible using nanotechnology and mirages.
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...
SciShow
How Do Polarized Sunglasses Work?
The useful glare-blocking properties of polarized sunglasses are well-known to just about anyone who goes outside. What isn't so well-known is how they reduce glare in the first place. That answer is deceptively complicated!
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...
SciShow
Why You See Monsters in the Mirror
Staring into the mirror in a dark room can play some nasty tricks on your brain. Like many illusions, this can tell us about how your brain processes images.
SciShow
Over the Rainbow: LeVar Burton Explains How DOUBLE Rainbows Form
Take a look... A VERY special guest, LeVar Burton, explains how Double Rainbows are formed.