Add Yahoo as a preferred source to see more of our stories on Google. In the early 1970s, astronauts drove a lunar rover — a dune buggy, of sorts — bouncing around on the moon on short treks. It holds ...

In the early 1970s, astronauts drove a lunar rover — a dune buggy, of sorts — bouncing around on the moon on short treks. It holds an interest for Stephen Montgomery-Smith, a math professor at the ...