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What lifting machine did Leonardo da Vinci design with a rotating platform and a counterweight?
Answer
Crane
What defensive vehicle did Leonardo da Vinci design with a conical armored body and cannon openings?
Answer
Armored tank
What mechanical component did Leonardo da Vinci depict using freely rotating balls between surfaces?
Answer
Ball bearing
What kind of cart did Leonardo da Vinci sketch as a self-moving vehicle?
Answer
Self-propelled cart
What type of machine did Leonardo da Vinci design to transfer water between different levels?
Answer
Archimedes’ screw
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What kind of cart did Leonardo da Vinci sketch as a self-moving vehicle?
Answer
Self-propelled cart
What type of machine did Leonardo da Vinci design to transfer water between different levels?
Answer
Archimedes’ screw
Which medal did the U.S. government award Georgia O'Keeffe in 1977?
Answer
Presidential Medal of Freedom
At which museum was Georgia O'Keeffe's 1970 retrospective held?
Answer
Whitney Museum of American Art