When it comes to understanding light, it turns out we're more in the dark than we thought.
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원문출처 : http://rss.cnn.com/r/60d8b2c855/0Ledition0Bcnn0Bcom0C20A160C0A50C170Ctech0Clight0Enew0Eproperties0Ediscovery0Cindex0Bhtml0Deref0Fedition