House M.D. is primarily set in which U.S. state?
Answer
New Jersey
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What rotating mechanical bridge did Leonardo da Vinci design to let armies cross rivers quickly?
Answer
Revolving bridge
What siege machine did Leonardo da Vinci design to hurl heavy stones using a large spring?
Answer
Catapult
What naval design did Leonardo da Vinci propose with two separate hulls joined by a deck?
Answer
Double-hulled ship
What mechanical component did Leonardo da Vinci study using low-friction rolling balls?
Answer
Ball bearing
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What rotating mechanical bridge did Leonardo da Vinci design to let armies cross rivers quickly?
Answer
Revolving bridge
What naval design did Leonardo da Vinci propose with two separate hulls joined by a deck?
Answer
Double-hulled ship