Consumers already love light controls because they save energy and money by automatically turning lights on at dusk and off at dawn. Now Westek has something new to add to the equation. Its new "green ...

Lance Hoffman can control his home lights from work with his phone, using light bulbs fitted with wireless antennas. Hoffman, a marketing consultant at Green Wave Reality in Irvine, Calif., is using ...

Light of a certain wavelength can be used to put so-called active materials into motion and control their movement. In the future, this discovery can become significant in widely different areas such ...