When did the TV series House, M.D. premiere on Fox?
Answer
November 16, 2004
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What common machine part did Leonardo da Vinci sketch in a design dated to 1498?
Answer
Ball bearing
What 33-barrel weapon did Leonardo da Vinci design as an early rapid-fire gun?
Answer
Organ gun
What siege device did Leonardo da Vinci design to throw stones using a spring-powered arm?
Answer
Catapult
What wind-measuring instrument did Leonardo da Vinci design to improve the study of flight?
Answer
Anemometer
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What common machine part did Leonardo da Vinci sketch in a design dated to 1498?
Answer
Ball bearing
What string instrument with a keyboard did Leonardo da Vinci design around 1488?
Answer
Viola organista
What wagon did Leonardo da Vinci design to move without horses or human pushing?
Answer
Self-propelled cart
What large weapon did Leonardo da Vinci design with a bow spanning about 25 metres?
Answer
Giant crossbow
What mechanical automaton did Leonardo da Vinci build in the form of a medieval armored knight?
Answer
Leonardo’s robot
What clockwork machine did Leonardo da Vinci design to move on its own without being pushed?
Answer
Self-propelled cart