OCW
How to power the world 24/7 — without oil
Deep beneath the Earth sits 50,000 times more energy than all the world's fossil fuel reserves, but accessing it requires using the same controversial technology that oil companies spent trillions to develop: fracking. Cindy Taff left Shell to prove that drilling for geothermal heat instead of ..
TED
Can you picture things in your mind? I can't
Picture this: a rocket ship crash-lands on a planet, and an alien approaches the spacecraft. What do you see in your mind when you visualize this scene? For Alex Rosenthal (and many others), the answer is: absolutely nothing. Exploring the fascinating science of aphantasia, or the inability to gener..
TED
Will laser blasters ever be possible?
A fleet of rebel spaceships is greeted by a frenzy of laser blasts – illuminating the sector with brilliant bursts of light. Science fiction has shown us scenes like this for decades, but the lasers in our daily lives seem far less dazzling and destructive. So, could sci-fi laser weaponry ever exi..
TED
This is how kids should be learning with AI
As AI races into classrooms, we risk confusing quick and easy answers with true learning, says AI education entrepreneur Priya Lakhani. She explains why being challenged is essential for making knowledge stick — and how AI can be designed to strengthen (not weaken) learning, teaching and thinking.
TED
The brilliance of bacteria (and how they combat waste)
Bacteria are the most incredible creatures on Earth, says biotechnologist and TED Fellow Patricia Aymà Maldonado. She presents a groundbreaking technology that “trains” bacteria to transform organic waste into biodegradable plastic that behaves like the real thing. Learn how this creative, sust..
TED
How ibogaine could treat depression and anxiety
The late Stanford neuroscientist Nolan Williams shares his research on the potential of a plant-derived psychoactive compound called ibogaine to help people with traumatic brain injury recover from PTSD, depression and anxiety. (Followed by a brief Q&A with Head of TED Chris Anderson)
TED
