On tiny objects like watches, every detail matters. So why does it feel like so many fancy Swiss brands just scrolled through ...

An old calculator uses a seven-segment display, in which numerals are represented by different patterns of vertical and horizontal line segments. But the device is faulty and no longer shows any ...

Welcome to the FT's hub of puzzles, games and quizzes. Print out the crosswords to complete them or Subscribers can now solve the FT’s Daily Cryptic, Polymath and FT Weekend crosswords on the iOS and ...