아빠는 공부쟁이

00:44 That one-year mark came on a Friday night in July. I walked home to my apartment and got into the elevator with a neighbor who was a doctor in the ER. The elevator rose, then it shuddered and stalled between floors. And the man who dealt with emergencies for a living began poking at the buttons and banging on the door, saying, "This is my nightmare, this is my nightmare!" And I was like, "..

Angel Chang The wildly complex anatomy of a sneaker https://www.ted.com/talks/angel_chang_the_wildly_complex_anatomy_of_a_sneaker The wildly complex anatomy of a sneaker Australians call them "runners." The British know them as "trainers." Americans refer to them as "sneakers." Whatever you call them, these casual shoes are worn by billions of people around the world. Today, roughly 23 billion s..