"We need very accurate high resolution images over a very wide field for the Dark Energy Survey" says Dr Peter Doel from UCL's Optical Science Laboratory.

BBC: Getting the measure of dark energy

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.

ENGADGET: NHK's 15k RPM optical disc recording system utilizes Blu-ray technology