OCW
The incredible engineering of Venice
To escape Germanic invaders, people fled into the Venetian Lagoon in the 6th century. The settlers set out to tame the mudflats and built a foundation in the marshy maze to support heavier, longer-lasting structures. Little did they know, this system of wood, water, and mud would still be supporting..
TED
기계재료
다양한 공학 재료의 구조와 성질을 이해하고, 이를 바탕으로 기계 및 산업 분야에서 적절한 재료를 선택·활용하는 능력을 기르는 과목이다. 이 교과목에서는 금속 및 비금속 재료의 원자구조와 결정구조, 기계적·전기적 성질, ..
KOCW Korea Open Course Ware
Why Iceland's lava is so hard to control
In December 2023, Icelandic citizens experienced their worst nightmare: a volcanic fissure opened and began spewing lava fountains 100 meters tall. While the molten rock narrowly avoided a small town, Iceland wasn’t willing to leave anyone's fate to chance again and began preparing for future..
TED
What China can teach the world about scaling clean energy
When Yin Yu first visited a major hydropower dam site in China, she expected to see a thriving community. Instead, she found families who'd lost their land and livelihoods to the rising water. It was a powerful lesson in how
TED
My year living with a robot
Imagine a robot moving into your home. How would it change your daily life? Historian Emily Kate Genatowski shares five eye-opening lessons from a year living with her AI-powered robot roommate, from the quirky and chaotic to the surprisingly mundane. Her experiences show that the future of robots i..
TED
The story you're not hearing about AI data centers
The race to build smarter AI is crashing into a physical limitation: the power grid simply can't keep up with the energy demands of data centers. Computer scientist Ayșe Coskun shows how we could turn this problem on its head, transforming AI facilities into virtual batteries that help stabili..
TED