OCW
Should you rinse your dishes before placing them in the dishwasher?
After years of hosting lavish dinner parties and watching her dishware get chipped during handwashing, American socialite Josephine Cochrane was convinced the world needed a better way to clean dishes. So, she built a prototype for a dishwashing contraption. And the design would become the model for..
TED
How to attack (and defend) a medieval castle
Medieval European castles weren’t just for passive defense and withstanding enemy onslaughts; they were symbols of power, private residences, and hubs of governance. Castles regularly served as bases for launching attacks and as a way to control local populations. So, how were these formidable for..
TED
Origami, the ancient art form solving modern problems
14-year-old student Miles Wu is obsessed with origami, transforming everyday scraps of paper into unexpected creations. In a joyful talk, he explores the ancient art form — from making Christmas ornaments and pigeons to folding patterns that can hold 10,000 times their weight — and shows all the..
TED
3D 모델링 기초
▪ 전문 지식과 기술을 갖춘 광고 홍보물 전문가 양성 ▪ 현장 직무수행 능력배양을 통한 실무형 제작 전문가 양성 ▪ 특수인쇄 및 고급 디지털 인쇄 기술 발전에 따른 미래 제작 전문가 양성
KOCW Korea Open Course Ware
동역학
물체의 운동의 경로에 따라서 발생되는 변위, 속도, 가속도 등을 여러가지 좌표계에 대하여 표현하고 해석하며, 물체에 작용되는 힘과 운동의 상호관계를 다룬다. 또한 기계의 운동 해석에 필요한 일과 에너지, 운동량, 충격량 ..
KOCW Korea Open Course Ware
My $60 million science experiment
Mark Rober spent years trying to land a rover on Mars. Now, the former NASA engineer turned science YouTuber with millions of subscribers is launching a new mission: to teach the next generation of big problem solvers. That's why he's spending 60 million dollars to build a STEM curriculum ..
TED
