Electric Trials Biking through Spain – “Silent Ride” with Adam Raga

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Pedal over to http://win.gs/1lxRNQQ for more MTB!
Four-time trial world champion Adam Raga wanted to make some noise to celebrate International Noise Awareness Day, so he swapped his roaring trial bike for an electric bike — and rode off to the beautiful Valley of Silence in El Bierzo in northern Spain. Why? Because Adam believes living in peace with nature is something to shout about. He really believes that this is the path that technology must follow; to always try and coexist with the environment.... Read More إقرأ المزيد | Share it now!

Bruce Schneier: The security mirage

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http://www.ted.com The feeling of security and the reality of security don’t always match, says computer-security expert Bruce Schneier. At TEDxPSU, he explains why we spend billions addressing news story risks, like the “security theater” now playing at your local airport, while neglecting more probable risks — and how we can break this pattern.... Read More إقرأ المزيد | Share it now!

Angela Belcher: Using nature to grow batteries

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http://www.ted.com Inspired by an abalone shell, Angela Belcher programs viruses to make elegant nanoscale structures that humans can use. Selecting for high-performing genes through directed evolution, she’s produced viruses that can construct powerful new batteries, clean hydrogen fuels and record-breaking solar cells. At TEDxCaltech, she shows us how it’s done.... Read More إقرأ المزيد | Share it now!