Hackernews posts about Newton

Newton is Apple's pioneering personal digital assistant (PDA) that was released in 1993 and featured a touchscreen interface, email, and scheduling capabilities.

Related: Apple  
  1. Nvidia/Disney/Google's Newton (developer.nvidia.com)
  2. Newtonian Gravity 101 (sparkgravity.com)
  3. Papers of Sir Isaac Newton (www.lib.cam.ac.uk)