Letters to a heretic: An email conversation with climate change sceptic Professor Freeman Dyson | The Independent Renowned physicist and skeptic of catastrophic anthropogenic global warming, in a 2011 interview via e-mail: "Among my friends, I do not find much...
Astronomy Picture of the Day: Wringing a Wet Towel in Orbit Expedition 35 Commander Chris Hadfield demonstrates the odd, fascinating result of wringing a wet towel in the microgravity of the International Space Station....
Internet Archive: Academic Film Archive of North America Mathematics, astronomy, sociology, history, biology, poetry, current affairs -- educational short films from the '50s, '60s, and '70s....
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