from the not-my-sister's-smartphone dept.
itwbennett writes: "When you think about tech products these days, you probably think 'refresh cycle' more than 'built to last.' But there are plenty of tech products that put up with hard, daily use year after year. Here's a few to get you started: Logitech MX510 mouse, Brother black & white laser printer, Casio G-Shock watch, Alvin Draf-Tec Retrac mechanical pencil, Sony Dream Machine alarm clock. What's your longest-lasting, hardest-working device?"
Thus mathematics may be defined as the subject in which we never know
what we are talking about, nor whether what we are saying is true.
-- Bertrand Russell