OCW
Why are we sending critical metals to the dump?
The world is heading toward a massive copper shortage that could derail the clean energy transition, says mining expert Jeff More. He shows how advanced sensing technology could get us back on the right track, drastically cutting down on the wasted materials from traditional mining and helping meet ..
TED
A survival guide for musicians in the age of AI
Artificial intelligence can write a song in seconds, but does that mean human songwriters will become obsolete? Recording Academy CEO Harvey Mason Jr. doesn’t think so. A songwriter himself, he offers a four-step “survival guide” for human creators to endure the age of AI, urging musicians to ..
TED
Why don’t we get our drinking water from the ocean?
Humans have been transforming seawater into potable freshwater for millennia. Today, billions of people can’t access clean drinking water, and 87 different countries are projected to be “water-scarce” by 2050. So, how can we use seawater desalination to combat water scarcity? And can we do it ..
TED
How light and code can transform a city
Leo Villareal is an artist, but his tools aren't paint and canvas; he manipulates light, color and computer code to create monumental works of public art. In a dazzling talk, he takes us inside his efforts to light up some of the world's most iconic bridges — including an installation of..
TED
How giant toasters could power the world
Industrial manufacturers spend a huge amount of energy generating heat to make everyday materials and objects, like cement, steel, and paper. And since most companies use fossil fuels to reach these high temperatures, industrial heat accounts for 20% of our annual global carbon pollution. Thankfully..
TED
The century-old technology that could change the world
Industrial manufacturers spend a huge amount of energy generating heat to make everyday materials and objects, like cement, steel, and paper. And since most companies use fossil fuels to reach these high temperatures, industrial heat accounts for 20% of our annual global carbon pollution. Thankfully..
TED
