: an isomer that is a stereoisomer of a compound having two or more chiral centers and that is not a mirror image of another stereoisomer of the same compound â
A compact disc is a deceptively simple looking device considering the technology required to make it. 1  CDs consist of three layers of materials: 2  A base layer made of a polycarbonate plastic. 3  A thin layer of aluminum coating over the polycarbonate plastic. 4  A clear protective acrylic coating over the aluminum layer.
  It was invented by TOSHIBA   ANSWER FROM ANGEL010597 on WikiAnswers   SEE: Who invented the DVD o â¦ n wiki aswers and youll get this answer:   CDs were invented by Sony/Phillips in the late 80s.   The DVD evolved from the CD. It is a high-density CD.