2015年12月12日 星期六

This young inventor wants to stop germs from spreading on planes

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TED
This week on TED.com
December 12, 2015

Raymond Wang: How germs travel on planes -- and how we can stop them

06:28 minutes · Filmed Nov 2015 · Posted Dec 2015 · TEDYouth 2015

When one person sneezes on a plane, everyone around them worries about getting sick too. And in fact, what Raymond Wang discovered is: The way air moves inside a plane can actually help to spread pathogens to other passengers. Using fluid dynamics, he created computational simulations of how airflow spreads germs (he shares an unforgettable animation of a sneeze inside a plane cabin). And then this 17-year-old inventor created a prize-winning idea to fix it.

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9 TED Talks • Total run time 1:58:52

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In this breathtaking talk, world champion freediver Guillaume Néry takes us with him into the ocean's depths. Meter by meter, he explains the physical and emotional impact of water pressure, silence and holding your breath. His eloquent description of the underwater experience reveals the hidden poetry of freediving. Watch »

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Quote of the Week

There are two most powerful days in your life: the day you’re born, and the day you discover why."

Boniface Mwangi
speaking in TED's Year in Ideas 2015
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