By 2020, you could have a speed-of-light optical computer Aug 17, 2016 8:46:23 GMT -7 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Variety 1560 AM on Aug 17, 2016 8:46:23 GMT -7 By 2020, you could have an exascale speed-of-light optical computer on your desk