Light emitting diodes, more commonly called LEDs, are known for their energy efficiency and durability, but the bluish, cold light of current white LEDs has precluded their widespread use for indoor lighting.
Jan 18, 2013 in Engineering
Using a particular type of titanium dioxide—a common ingredient in cosmetics, food products, toothpaste and sunscreen—could reduce the potential health risks associated with the widely used compound. The report on the ...
Sep 25, 2013 in Materials Science