KYOTO -- Kyocera is partnering with Kyoto Sangyo University and a Japanese optical instrument designer to use mirrors made from lightweight ceramic rather than glass in astronomical telescopes.
Japan company's material can reduce weight by two-thirds compared with glass

The primary mirror of the telescope at Kyoto Sangyo University's Koyama Astronomical Observatory will be swapped out for a ceramic mirror. (Kyoto Sangyo University)
KYOTO -- Kyocera is partnering with Kyoto Sangyo University and a Japanese optical instrument designer to use mirrors made from lightweight ceramic rather than glass in astronomical telescopes.