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What mechanical component did Leonardo da Vinci sketch as an early low-friction bearing?
Answer
Ball bearing
What device did Leonardo da Vinci sketch in 1485 to slow a person's descent from the sky?
Answer
Parachute
What clock mechanism did Leonardo da Vinci study to regulate the release of gear motion?
Answer
Clock escapement
What wing-powered flying-machine concept did Leonardo da Vinci call an ornithopter?
Answer
Ornithopter
What amphibious breathing apparatus did Leonardo da Vinci sketch for underwater exploration?
Answer
Diving suit
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Latest trivia questions
What clock mechanism did Leonardo da Vinci study to regulate the release of gear motion?
Answer
Clock escapement
What mechanical calculator did Leonardo da Vinci design using thirteen linked wheels?
Answer
Mechanical calculator
Which McDonald’s franchisee created the Filet-O-Fish in 1962?
Answer
Lou Groen
Who designed the 1953 McDonald’s restaurant with its original roadside Golden Arches?
Answer
Stanley Clark Meston