TED Talks
William Kamkwamba: How I built a windmill
When he was just 14 years old, Malawian inventor William Kamkwamba built his family an electricity-generating windmill from spare parts, working from rough plans he found in a library book.
Bozeman Science
Thinking in Causation - Level 2 - Testing Causes
In this video Paul Andersen shows conceptual thinking in a mini-lesson on testing causes. TERMS: Tests - a planned act that is done to learn something Cause - a thing that gives rise to an event Support - to give assistance to Refute -...
TED Talks
TED: The incredible inventions of intuitive AI | Maurice Conti
What do you get when you give a design tool a digital nervous system? Computers that improve our ability to think and imagine, and robotic systems that come up with (and build) radical new designs for bridges, cars, drones and much more...
TED Talks
Dame Ellen MacArthur: The surprising thing I learned sailing solo around the world
What do you learn when you sail around the world on your own? When solo sailor Ellen MacArthur circled the globe – carrying everything she needed with her – she came back with new insight into the way the world works, as a place of...
TED Talks
TED: Our campaign to ban plastic bags in Bali | Melati and Isabel Wijsen
Plastic bags are essentially indestructible, yet they're used and thrown away with reckless abandon. Most end up in the ocean, where they pollute the water and harm marine life; the rest are burned in garbage piles, where they release...
TED Talks
Richard Baraniuk: The birth of the open-source learning revolution
In 2006, open-learning visionary Richard Baraniuk explains the vision behind Connexions (now called OpenStax), an open-source, online education system. It cuts out the textbook, allowing teachers to share and modify course materials...
TED Talks
Brewster Kahle: A free digital library
Brewster Kahle is building a truly huge digital library -- every book ever published, every movie ever released, all the strata of web history ... It's all free to the public -- unless someone else gets to it first.
SciShow
How Ultra-Black Fish Disappear into the Deep
Deep into the ocean even the slightest glimmer give you away. Which is why some fish have evolved to be so dark that they absorb any light that hits them.
TED Talks
Ray Anderson: The business logic of sustainability
At his carpet company, Ray Anderson has increased sales and doubled profits while turning the traditional "take / make / waste" industrial system on its head. In a gentle, understated way, he shares a powerful vision for sustainable...
TED Talks
Andras Forgacs: Leather and meat without killing animals
By 2050, it will take 100 billion land animals to provide the world's population with meat, dairy, eggs and leather goods. Maintaining this herd will take a huge, potentially unsustainable toll on the planet. What if there were a...
TED Talks
TED: The warmth and wisdom of mud buildings | Anna Heringer
There are a lot of resources given by nature for free -- all we need is our sensitivity to see them and our creativity to use them, says architect Anna Heringer. Heringer uses low-tech materials like mud and bamboo to create structures...
Bozeman Science
Thinking in Structure and Function: Level 3 - Material Properties
In this video Paul Andersen shows conceptual thinking in a mini-lesson on material properties. TERMS Structure - parts in a material object Function - an activity or purpose for a thing Properties - any traits of an object that can be...
TED Talks
TED: Shape-shifting tech will change work as we know it | Sean Follmer
What will the world look like when we move beyond the keyboard and mouse? Interaction designer Sean Follmer is building a future with machines that bring information to life under your fingers as you work with it. In this talk, check out...
Crash Course
Ecology - Rules for Living on Earth: Crash Course Biology
Hank introduces us to ecology - the study of the rules of engagement for all of us earthlings - which seeks to explain why the world looks and acts the way it does. The world is crammed with things, both animate and not, that have been...
TED Talks
Tal Golesworthy: How I repaired my own heart
Tal Golesworthy is a boiler engineer -- he knows piping and plumbing. When he needed surgery to repair a life-threatening problem with his aorta, he mixed his engineering skills with his doctors' medical knowledge to design a better...
TED Talks
Leah Buechley: How to "sketch" with electronics
Designing electronics is generally cumbersome and expensive -- or was, until Leah Buechley and her team at MIT developed tools to treat electronics just like paper and pen. In this talk from TEDYouth 2011, Buechley shows some of her...
MinutePhysics
How to Build a Teleporter with Aliens
The first 200 people to use http://skl.sh/minutephysics30 get 30% off a premium Skillshare subscription. This video is about the international system of units (SI), the international prototype kilogram (the IPK or "le grande k"), and...
TED Talks
TED: Why glass towers are bad for city life -- and what we need instead | Justin Davidson
There's a creepy transformation taking over our cities, says architecture critic Justin Davidson. From Houston, Texas to Guangzhou, China, shiny towers of concrete and steel covered with glass are cropping up like an invasive species....
SciShow
How 5 Rocks Get Their Glow
If you find a glowing rock, it probably doesn't mean you're the chosen one. If it's one of these five phenomena, it's quantum mechanics, not narrative significance. Chapters View all FLUORESCENCE 0:36 PHOSPHORESCENCE 2:42...
TED Talks
Bandi Mbubi: Demand a fair trade cell phone
Your mobile phone, computer and game console have a bloody past — tied to tantalum mining, which funds the war in the Democratic Republic of the Congo. Drawing on his personal story, activist and refugee Bandi Mbubi gives a stirring call...
TED Talks
Daniel Libeskind: 17 words of architectural inspiration
Daniel Libeskind builds on very big ideas. Here, he shares 17 words that underlie his vision for architecture -- raw, risky, emotional, radical -- and that offer inspiration for any bold creative pursuit.
SciShow
The Quantum Internet of the Future
You might want to hold off on sending your family's secret chili recipe across the internet to your family member who lives out of state. Researchers are working on a way to harness quantum weirdness to send information super securely!
TED Talks
Saul Griffith: Everyday inventions
Inventor and MacArthur fellow Saul Griffith shares some innovative ideas from his lab -- from "smart rope" to a house-sized kite for towing large loads.
TED Talks
Eben Bayer: Are mushrooms the new plastic?
Product designer Eben Bayer reveals his recipe for a new, fungus-based packaging material that protects fragile stuff like furniture, plasma screens -- and the environment.