SciShow
The Alien Egg Experiment
Hank brings us another simple experiment that demonstrates the important biochemical process of osmosis by turning a chicken egg into a frightening alien-looking thing.
TED-Ed
TED-Ed: Why don't we cover the desert with solar panels? | Dan Kwartler
Stretching over roughly nine million square kilometers and with sands reaching temperatures of up to 80° Celsius, the Sahara Desert receives about 22 million terawatt hours of energy from the Sun every year. That's well over 100 times...
TED Talks
Joseph DeSimone: What if 3D printing was 100x faster?
What we think of as 3D printing, says Joseph DeSimone, is really just 2D printing over and over ... slowly. Onstage at TED2015, he unveils a bold new technique -- inspired, yes, by Terminator 2 -- that's 25 to 100 times faster, and...
TED Talks
TED: Fashion has a pollution problem -- can biology fix it? | Natsai Audrey Chieza
Natsai Audrey Chieza is a designer on a mission -- to reduce pollution in the fashion industry while creating amazing new things to wear. In her lab, she noticed that the bacteria Streptomyces coelicolor makes a striking red-purple...
SciShow
SPNs Might Change the World, So What Are They?
Researchers created a "super jelly" that can survive being run over with a car, and its weird properties take advantage of some novel chemistry.
Crash Course
To The Moon & Mars - Aerospace Engineering: Crash Course Engineering #34
This week we’re exploring aerospace engineering and its two main fields: aeronautical engineering and astronautical engineering. We’ll explore life & buoyancy, propulsion systems, and the challenges of managing the human body in space.
SciShow
The World Is Built on Sand... and We're Running Out
Some might call sand coarse, rough and irritating, but there’s no denying that it’s used everywhere: from glass to asphalt, sand is a key ingredient for all sorts of materials in construction and technology. But this heavy reliance on...
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...
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 Talks
Neri Oxman: Design at the intersection of technology and biology
Designer and architect Neri Oxman is leading the search for ways in which digital fabrication technologies can interact with the biological world. Working at the intersection of computational design, additive manufacturing, materials...
TED-Ed
TED-Ed: Could we build a wooden skyscraper? | Stefan Al
Towering 85 meters above the Norwegian countryside, Mjøstårnet is the world's tallest wooden building, made almost entirely from the trees of neighboring forests. But as recently as the end of the 20th century, engineers thought it was...
TED Talks
Alan Russell: The potential of regenerative medicine
Alan Russell studies regenerative medicine -- a breakthrough way of thinking about disease and injury, using a process that can signal the body to rebuild itself.
TED Talks
Rachel Armstrong: Architecture that repairs itself?
Venice is sinking. To save it, Rachel Armstrong says we need to outgrow architecture made of inert materials and, well, make architecture that grows itself. She proposes a not-quite-alive material that does its own repairs and sequesters...
TED Talks
Skylar Tibbits: The emergence of "4D printing"
3D printing has grown in sophistication since the late 1970s; TED Fellow Skylar Tibbits is shaping the next development, which he calls 4D printing, where the fourth dimension is time. This emerging technology will allow us to print...
TED-Ed
TED-Ed: The art forger who tricked the Nazis
It was one of the strangest trials in Dutch history. The defendant in a 1947 case was an art forger who had counterfeited millions of dollars worth of paintings. But he wasn’t arguing his innocence— in fact, his life depended on proving...
TED Talks
Sarah Sze: How we experience time and memory through art
Artist Sarah Sze takes us on a kaleidoscopic journey through her work: immersive installations as tall as buildings, splashed across walls, orbiting through galleries -- blurring the lines between time, memory and space. Explore how we...
TED Talks
TED: Forget shopping. Soon you'll download your new clothes | Danit Peleg
Downloadable, printable clothing may be coming to a closet near you. What started as designer Danit Peleg's fashion school project turned into a collection of 3D-printed designs that have the strength and flexibility for everyday wear....
TED Talks
Zach Kaplan + Keith Schacht: Toys and materials from the future
The Inventables guys, Zach Kaplan and Keith Schacht, demo some amazing new materials and how we might use them. Look for squishy magnets, odor-detecting ink, "dry" liquid and a very surprising 10-foot pole.
TED Talks
Angela Belcher: Using nature to grow batteries
Inspired by an abalone shell, Angela Belcher programs viruses to make elegant nanoscale structures that humans can use. Selecting for high-performing genes through directed evolution, she's produced viruses that can construct powerful...
TED Talks
Catarina Mota: Play with smart materials
Ink that conducts electricity; a window that turns from clear to opaque at the flip of a switch; a jelly that makes music. All this stuff exists, and Catarina Mota says: It's time to play with it. Mota leads us on a tour of surprising...
SciShow
This is Weird but...COVID Decreased Lightning Strikes
The COVID-19 pandemic hasn’t just affected us. It’s also affected the weather. And this turns out to be a lucky natural experiment to help us understand how much we influence the world around us.
TED Talks
Débora Mesa Molina: Stunning buildings made from raw, imperfect materials
What would it take to reimagine the limits of architecture? Débora Mesa Molina offers some answers in this breathtaking, visual tour of her work, showing how structures can be made with overlooked materials and unconventional methods --...
SciShow
Bone Cities, Ash Towers, and 4 Other Futuristic Buildings
Right now, the construction industry heavily relies on concrete, but it isn't great for the earth. Many scientists are looking for ways to replace it in the future, and some of their ideas are so off the wall that they just might work.
TED Talks
TED: A young inventor's plan to recycle Styrofoam | Ashton Cofer
From packing peanuts to disposable coffee cups, each year the uS alone produces some two billion pounds of Styrofoam -- none of which can be recycled. Frustrated by this waste of resources and landfill space, Ashton Cofer and his science...