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(Natural News) You have probably relegated light-emitting diodes (LEDs) to the same spot that electric light bulbs used to occupy in your awareness. At the most, there will be a slight footnote that the new device gives off more light and consumes less energy than the old one. But some researchers are arguing that LEDs bring more than... |
from NaturalNews.com https://ift.tt/2UtPmWI
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