(a) So, what, those are optics they use to bounce the beam around, so they can get 10km of laser beam on a 5m bench? (b) I can't look at that picture without t

(a) So, what, those are optics they use to bounce the beam around, so they can get 10km of laser beam on a 5m bench? (b) I can't look at that picture without thinking of Agatha's dingbots from Girl Genius. http://www.girlgeniusonline.com/comic.php?date=20091005 http://www.girlgeniusonline.com/comic.php?date=20091005