San Francisco lets its lazy residents throw all recyclables into a single bin; they sort it later. Jon Carroll explains how it works.
What you have is sort of like a conveyor belt except, for reasons not fully understood by this correspondent, it separates the trash, with the lighter paper crawling upward and eventually off the top of the screen, while the heavier cans and bottles and whatnot slide downward onto another conveyor belt.
  2003-05-28 15:02 Z