David Lang is a maker who taught himself to become an amateur oceanographer -- or, he taught a robot to be one for him. In a charming talk Lang, a TED Fellow, shows how he and a network of ocean lovers teamed up to build open-sourced, low-cost underwater explorers.nnTEDTalks is a daily video podcast
View full lesson: http://ed.ted.com/lessons/a-guide-to-the-energy-of-the-earth-joshua-m-sneideman Energy is neither created nor destroyed — and yet the global demand for it continues to increase. But where does energy come from, and where does it go? Joshua M. Sneideman examines the many ways in wh
View full lesson: http://ed.ted.com/lessons/how-did-clouds-get-their-names-richard-hamblyn The study of clouds has always been a daydreamer’s science, aptly founded by a thoughtful young man whose favorite activity was staring out of the window at the sky. Richard Hamblyn tells the history of Luke
