OCW
Your empty wine bottle could help rebuild coastlines
What if you could take something as tiny as a grain of sand — and as common as a glass bottle — and use it to tackle the climate crisis? Waste alchemist Franziska Trautmann shares how the spark of an idea turned into a large-scale operation helping restore the eroded shores of Louisiana and beyo..
TED
This refrigerator is saving lives
TED Fellow and renewable energy expert Norah Magero envisions an Africa that pioneers its own technological future, shifting the narrative from dependence and consumption to self-reliance and innovation. She shares how she developed VacciBox — a solar-powered refrigeration system made in Kenya to ..
TED
The thing in your kitchen most likely to kill you
Between 2011 and 2022, the deadliest kitchen appliances in the US were ovens and ranges; taking lives by causing fires and leaking carbon monoxide. These kinds of sudden, catastrophic fatalities are thankfully rare. But the kitchen dangers that cause the most casualties may actually be less immediat..
TED
The invisible networks shaping your everyday life
The basic infrastructure that controls plumbing, electricity and more is vital to your individual agency, says engineering professor Deb Chachra. She offers a crash course on how these systems connect to shape our lives — and suggests some key improvements for providing long-term, sustainable ener..
TED
The secret force for limitless energy? Lasers
In 2022, physicist Tammy Ma and the team at Lawrence Livermore National Laboratory achieved a scientific breakthrough decades in the making: fusion ignition, or the combining of two atoms to generate more energy out of a reaction than was put in — recreating on Earth the same process that powers t..
TED
The missing piece of the clean energy transition
The clean energy transition has a major blind spot, says energy equity expert Sheila Ngozi Oparaocha: it ignores millions of people without access to energy. Highlighting grassroots women's organizations leading the charge towards universal access, she makes a powerful call to prioritize gender..
TED
