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What measuring instrument did Leonardo da Vinci improve to measure humidity in the air?
Answer
Hygrometer
What device did Leonardo da Vinci design to help ships move through shallow water?
Answer
A paddle wheel
What did Leonardo da Vinci design to carry boats over changes in canal elevation?
Answer
Canal lock
What water-control structure did Leonardo da Vinci develop for regulating canal levels?
Answer
Sluice gate
What vehicle did Leonardo da Vinci design to move without an onboard driver?
Answer
Self-propelled cart
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What device did Leonardo da Vinci design to help ships move through shallow water?
Answer
A paddle wheel
What vehicle did Leonardo da Vinci design to move without an onboard driver?
Answer
Self-propelled cart
What rotating-blade aircraft did Leonardo da Vinci describe in a 1489 design?
Answer
Aerial screw
What armored vehicle did Leonardo da Vinci sketch for battlefield use?
Answer
Leonardo’s tank
What was the name of Leonardo da Vinci’s mechanical soldier reconstructed in the 21st century?
Answer
Leonardo’s robot
Which 1938 C.S. Lewis novel begins his science-fiction trilogy about Dr. Elwin Ransom?
Answer
Out of the Silent Planet
What was the name of C.S. Lewis’s Cambridge professorship, created for him in 1954?
Answer
Medieval and Renaissance English