is a typical weekly engineering- and science-related crossword puzzle.
Take a break from the drudgery by trying your hand at some of these
goodies. Every word in the RF Cafe crossword puzzles is specifically
related to engineering, mathematics, and science. There are no generic
backfill words like many other puzzles give you, so you'll never see
a clue asking for the name of a movie star or a mountain on the Russia-China