SciShow
SciShow Talk Show: Crash Course Physics Host Dr. Shini Somara & Sydney the Brush-Tailed Bettong
Dr. Shini Somara joins us on the Talk Show today to talk Crash Course Physics and her background in fluid dynamics and television. Then Jessi from Animal Wonders brings on Sydney, their Brush-tailed Bettong.
TED-Ed
TED-Ed: How do pregnancy tests work? - Tien Nguyen
Over-the-counter pregnancy tests give potentially life-changing results with a pretty high rate of accuracy. But how do they work? Tien Nguyen explains how each test performs a scientifically rigorous, multi-stage experiment that goes...
TED Talks
TED: A robot that runs and swims like a salamander | Auke Ijspeert
Roboticist Auke Ijspeert designs biorobots, machines modeled after real animals that are capable of handling complex terrain and would appear at home in the pages of a sci-fi novel. The process of creating these robots leads to better...
TED Talks
TED: Science in service to the public good | Siddhartha Roy
We give scientists and engineers great technical training, but we're not as good at teaching ethical decision-making or building character. Take, for example, the environmental crisis that recently unfolded in Flint, Michigan -- and the...
MinutePhysics
Why It's HARD To Land on Mars
This video is about why it's harder to successfully land spacecraft and landers and rovers on Mars than on Earth, or Venus, or the Moon, or Titan, or asteroids. It all comes down to atmospheric density! When there's no atmosphere, you...
SciShow
Heat-Seekers: Harnessing the Infrared Senses of Animals
These animals can detect heat through some fascinating biological mechanisms, and they are proving to be boons to the scientific community.
MinutePhysics
How ISPs Violate the Laws of Mathematics
This joke video is about how Internet Service Providers (aka ISPs, internet companies, telecommunications companies, etc) violate the basic axioms of Zermelo-Fraenkel set theory. Like the axiom of choice (sometimes Well-ordering...
MinutePhysics
Why Doesn't Time Flow Backwards? (Big Picture Ep. 1/5)
Thanks to Google Making and Science for supporting this series, and to Sean Carroll for collaborating on it! AMAZING Interactive Entropy explainer by Aatish Bhatia: http://aatishb.github.io/entropy/ This video is about why entropy gives...
MinutePhysics
The Portal Paradox
This video is about the Portal Paradox - a paradox in the video game Portal (and Portal 2) regarding whether or not a companion cube passing through a moving portal plops out of the other end with no speed (velocity, momentum), or shoots...
TED Talks
Jamie Paik: Origami robots that reshape and transform themselves
Taking design cues from origami, robotician Jamie Paik and her team created "robogamis": folding robots made out super-thin materials that can reshape and transform themselves. In this talk and tech demo, Paik shows how robogamis could...
TED Talks
TED: How megacities are changing the map of the world | Parag Khanna
I want you to reimagine how life is organized on earth, says global strategist Parag Khanna. As our expanding cities grow ever more connected through transportation, energy and communications networks, we evolve from geography to what he...
TED Talks
Amory Lovins: A 40-year plan for energy
In this intimate talk filmed at TED's offices, energy innovator Amory Lovins shows how to get the US off oil and coal by 2050, $5 trillion cheaper, with no Act of Congress, led by business for profit. The key is integrating all four...
Crash Course
The History of Chemical Engineering: Crash Course Engineering #5
Today we’ll cover the fourth and final of our core disciplines of engineering: chemical engineering. We’ll talk about its history and evolution going from soda ash competitions to oil refineries and renewable energies. We’ll also discuss...
TED Talks
TED: What you need to know about carbon removal | Gabrielle Walker
What do woolly pigs have to do with climate change? They're part of a vital, ingenious and evolving strategy to take carbon out of the sky and store it safely -- in trees, soils, the ocean, buildings, rocks and deep underground. Every...
Crash Course
Drugs, Dyes, & Mass Transfer: Crash Course Engineering #16
Today we’re talking about mass transfer. It doesn’t just apply to objects and fluids as a whole, but also to the individual molecules and components that make them up. We’ll see that transfers of mass need their own driving force,...
SciShow
6 Surgical Devices Inspired by Nature
From the sharp mouthparts of mosquitoes to the sticky feet of geckos, researchers have found all kinds of amazing adaptations in the natural world that could be useful in the operating room. Chapters WASPS & TISSUE EXTRACTORS 2:05...
MinutePhysics
How to Build a Lava Moat (with xkcd)
The world's most entertaining and useless self-help guide, from the brilliant mind behind the wildly popular webcomic xkcd and the #1 New York Times bestsellers What If? and Thing Explainer For any task you might want to do, there's a...
TED-Ed
TED-Ed: How does an atom-smashing particle accelerator work? - Don Lincoln
An atom smasher, or particle accelerator, collides atomic nuclei together at extremely high energies, using engineering that exploits incredibly cold temperatures, very low air pressure, and hyperbolically fast speeds. Don Lincoln...
TED Talks
Neil Gershenfeld: Unleash your creativity in a Fab Lab
MIT professor Neil Gershenfeld talks about his Fab Lab -- a low-cost lab that lets people build things they need using digital and analog tools. It's a simple idea with powerful results.
TED-Ed
TED-ED: What in the world is topological quantum matter?
David Thouless, Duncan Haldane, and Michael Kosterlitz won the Nobel Prize in Physics in 2016 for discovering that even microscopic matter at the smallest scale can exhibit macroscopic properties and phases that are topological. But -...
Crash Course
Building a Desalination Plant from Scratch: Crash Course Engineering #44
An essential part of engineering is engineering design. Today we’ll see how design synthesis helps you put together the components of a process and decide what techniques are needed to solve your problem. We’ll explain the need test...
TED-Ed
TED-Ed: Yes, scientists are actually building an elevator to space | Fabio Pacucci
Sending rockets into space requires sacrificing expensive equipment, burning massive amounts of fuel, and risking potential catastrophe. So in the space race of the 21st century, some engineers are abandoning rockets for something more...
MinutePhysics
When It's OK to Violate Privacy
REFERENCES Cynthia Dwork (key inventor of Differential Privacy), giving a great intro talk about differential privacy https://www.youtube.com/watch?v=lg-VhHlztqo Hazards of Smoking: the Effect on Life Span...
TED-Ed
TED-Ed: Why don't perpetual motion machines ever work? - Netta Schramm
Perpetual motion machines - devices that can do work indefinitely without any external energy source - have captured many inventors' imaginations because they could totally transform our relationship with energy. There's just one...