TED Talks
TED: A demo of wireless electricity | Eric Giler
Eric Giler wants to untangle our wired lives with cable-free electric power. Here, he covers what this sci-fi tech offers, and demos MIT's breakthrough version, WiTricity -- a near-to-market invention that may soon recharge your cell...
TED-Ed
TED-Ed: Einstein's brilliant mistake: Entangled states - Chad Orzel
When you think about Einstein and physics, E=mc^2 is probably the first thing that comes to mind. But one of his greatest contributions to the field actually came in the form of an odd philosophical footnote in a 1935 paper he co-wrote...
3Blue1Brown
The paradox of the derivative: Essence of Calculus - Part 2 of 11
An introduction to what a derivative is, and how it formalizes an otherwise paradoxical idea.
SciShow
400 Million New Stars in Our Galaxy!
The Gaia space observatory released a detailed 3d map of the Milky Way, and scientists have figured out why Charon's north pole is red!
SciShow
Record-Breaking Space Discoveries of 2016!
2016 was a lot of things, but for astronomers, it meant the discovery of some of the farthest, faintest, and youngest objects in the universe we've seen yet.
PBS
The Treasures of Trappist-1
Last week, seven earth-like planets were discovered orbiting a Red Dwarf star 39 light years away. Each one could be capable of supporting life.
SciShow
Why Do Humans Have Butts?
If you've been wondering why we have butts, wonder no more! We have an answer for you.
SciShow
Is An 8K TV Worth It
The newest 8K TVs have 33 million pixels - but can you even see that many?
SciShow
5 Tiny Animals With BIG Migrations
These little fliers may be small, but pound for pound, they go farther than just about anyone else. Chapters RUBY-THROATED HUMMINGBIRD 0:40 HOVERFLY 2:56 MONARCH BUTTERFLY 4:11 DESERT LOCUST 6:10 5 WANDERING GLIDER 9:41
SciShow
The Cosmic Ladder That Lets Us Map the Universe
Considering how massive our universe is, we know the distances to cosmic objects surprisingly well. What tools and clues do scientists use to measure distances that are so enormous they sound like made-up numbers?
SciShow
There Are Planet-Sized 'Tornadoes' on the Sun!
Solar tornadoes are not tornadoes, and scientists are studying a black hole with a telescope bigger than the earth!
3Blue1Brown
Integration and the fundamental theorem of calculus: Essence of Calculus - Part 8 of 11
What is integration? Why is it computed as the opposite of differentiation? What is the fundamental theorem of calculus?
TED-Ed
TED-Ed: Can you solve the dark matter fuel riddle? - Daniel Finkel
An ancient, abandoned alien space station has been discovered. Can you beat everyone in the galaxy and reach it first? -- It’s an incredible discovery: an abandoned alien space station filled with precursor technology. Now every species...
MinutePhysics
Length Contraction and Time Dilation | Special Relativity Ch. 5
This video is chapter 5 in my series on special relativity, and it covers how things that are moving (that is, moving relative to an inertial reference frame) at different speeds appear to be shorter in length... and longer in length....
SciShow
Ingredients for Life On a Comet, and Mars's Close-Up
How did earth get the ingredients for life? A new discovery from Comet 67P might hold some answers. And learn where to find Mars in the night sky from 75 million kilometers away.
SciShow
Does the Camera Really Add Ten Pounds?
Your friend just tagged you in 17 photos on Facebook but you swear those photos lie about your weight. Is the camera playing tricks with your eyes?
TED Talks
Patricia Burchat: Shedding light on dark matter
Physicist Patricia Burchat sheds light on two basic ingredients of our universe: dark matter and dark energy. Comprising 96% of the universe between them, they can't be directly measured, but their influence is immense.
TED Talks
TED: Why stay in Chernobyl? Because it's home. | Holly Morris
Chernobyl was the site of the world's worst nuclear accident and, for the past 27 years, the area around the plant has been known as the Exclusion Zone. And yet, a community of about 200 people live there -- almost all of them elderly...
SciShow
Asteroid Fly-By!
Today Emily Graslie of The Brain Scoop gives us the news about a couple of near- misses for our planet and an update on where astronomers think habitable life might be found in other star systems.
SciShow
What We Learned from the Kepler Space Telescope - SciShow News
October was bittersweet for space scientists as we said goodbye to both the Kepler Space Telescope and Dawn mission.
SciShow
Understanding the Most Extreme Numbers in the Universe
Humans are great at understanding medium-sized things, like how far the supermarket is from your house, or how to find the bathroom in the dark. But imagining distances in light-years is a lot harder -- so you'll have to use a trick or two.
MinutePhysics
Spacetime Intervals: Not EVERYTHING is Relative | Special Relativity Ch. 7
This video is chapter 7 in my series on special relativity, and it covers the idea that some things AREN'T relative: there IS a sense of absolute length and absolute time, which can be agreed upon from all moving perspectives (as long as...
TED Talks
TED: The 15-minute city | Carlos Moreno
Living in a city means accepting a certain level of dysfunction: long commutes, noisy streets, underutilized spaces. Carlos Moreno wants to change that. He makes the case for the "15-minute city," where inhabitants have access to all the...
3Blue1Brown
Why does this product equal pi/2? A new proof of the Wallis formula for pi.
A new and more circularly proof of a famous infinite product for pi.