By Vincent Fournier and Emily Anthes from NYT Science https://ift.tt/DAteXPO via IFTTT
Reducing blue light with a new type of LED that won't keep you up all night
LEDs currently on the market emit a lot of blue light
More at https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=303318&WT.mc_id=USNSF_1
This is a Research News item.
Read more at nsf.gov
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