Mr. Christmas is recalling about 44, 600 wireless decorative tree light controllers because the wireless receiver can overheat and spark a fire, according to the U.S. Consumer Product Safety ...

Mr. Christmas has issued a recall for 44,600 wireless decorative Christmas tree light controllers because they can pose a fire hazard. The company says the wireless receiver that plugs into an outlet ...

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Researchers have solved a major problem for optical wireless communications - the process by which light carries information between cell phones and other devices. Light-emitting diodes (LEDs) pulse ...