Do you know who invented the dishwasher, or
which came first: radar or sonar? Learn more about invention with our
interactive games and trivia.
Test your invention IQ with our interactive Brain Drain
game! Play against the computer or challenge a friend
to see who's brainier about invention.
Have some fun playing Invention
Connection and Which
Came First? on our Inventing Modern America:
From the Microwave to the Mouse Web site.