View full lesson: http://ed.ted.com/lessons/the-contributions-of-female-explorers-courtney-stephens During the Victorian Age, women were unlikely to become great explorers, but a few intelligent, gritty and brave women made major contributions to the study of previously little-understood territory.
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
