Nokia has filed a patent for anoptical messaging system that can generate symbols and Morse Code, as well as decipher the information on the receiving end.
Researchers at Nippon Hoso Kyokai are working with engineers at the Science and Technical Research Laboratories (STRL) to create an"optical disc recording system based on consumer Blu-ray disc technology that can spin as fast as 15, 000 RPM" without worry of a disc experiencing a complete meltdown and shattering within the drive.