Light-absorbing particles harvest ultraviolet light during the day for illumination at night. Continue reading →
via Discovery News http://news.discovery.com/tech/gear-and-gadgets/spray-on-starpath-glows-in-the-dark-131022.htm#mkcpgn=rssnws1
via Discovery News http://news.discovery.com/tech/gear-and-gadgets/spray-on-starpath-glows-in-the-dark-131022.htm#mkcpgn=rssnws1
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