Hackernews posts about Lisa

Lisa is an open-source operating system developed by Apple in the 1980s for their Lisa computer, as well as the Laser Interferometer Gravitational-Wave Observatory (LIGO) spacecraft designed to detect gravitational waves in space.

Related: Apple  
  1. Wooden Gear Clock Plans (www.lisaboyer.com)
  2. RSC for Lisp Developers (overreacted.io)
  3. Listen, Run, Hide (www.hrw.org)