Us humans have been quick to embrace digital technology for preserving our memories, but we've forgotten that most of our storage won't last for more than a few decades; when a hard drive loses its magnetism or an optical disc rots, it's useless. French nuclear waste manager ANDRA wants to make sure that at least some information can survive even if humanity itself is gone -- a million or more years, to be exact. By using two fused disk platters made from sapphire with data written in a microscope-readable platinum, the agency hopes to have drives that will keep humming alo
