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What device did Leonardo da Vinci design to move water using a screw-shaped mechanism?
Answer
Archimedes’ screw
What optical device did Leonardo da Vinci study by projecting an outside scene into a dark chamber?
Answer
Camera obscura
What flying-machine feature did Leonardo da Vinci study using a rotating screw-like rotor?
Answer
Vertical lift
What rotating mechanical part did Leonardo da Vinci sketch using balls to reduce friction?
Answer
Ball bearing
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What device did Leonardo da Vinci design to move water using a screw-shaped mechanism?
Answer
Archimedes’ screw
What mechanical figure did Leonardo da Vinci design to sit, stand, and move its arms like a human?
Answer
Mechanical knight
What name is given to Leonardo da Vinci’s spring-powered vehicle that moved without a driver?
Answer
Self-propelled cart
What did Leonardo da Vinci’s 1485 pyramid-shaped design propose people could do safely?
Answer
Parachute descent