I like these TED talks. They tend to talk about interesting subjects. I especially like the ones which talk about technology or unique ideas that could be very beneficial.
"Modern buildings with floor-to-ceiling windows give spectacular views, but they require a lot of energy to cool. Doris Kim Sung works with thermo-bimetals, smart materials that act more like human skin, dynamically and responsively, and can shade a room from sun and self-ventilate."
[video=youtube]http://www.youtube.com/watch?v=wvIyVZf3qZU[/video]
"Modern buildings with floor-to-ceiling windows give spectacular views, but they require a lot of energy to cool. Doris Kim Sung works with thermo-bimetals, smart materials that act more like human skin, dynamically and responsively, and can shade a room from sun and self-ventilate."
[video=youtube]http://www.youtube.com/watch?v=wvIyVZf3qZU[/video]