What Leonardo da Vinci invention used rolling spheres to reduce friction?
Answer
Ball bearing
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What Leonardo da Vinci invention used rolling spheres to reduce friction?
Answer
Ball bearing
What Leonardo da Vinci design was a military cart fitted with rotating blades?
Answer
Scythed chariot
What Leonardo da Vinci device used a wheel to measure distance traveled?
Answer
Odometer
What Leonardo da Vinci military vehicle was an armored wagon with cannon openings?
Answer
Leonardo’s armored tank
What unusual keyboard instrument did Leonardo da Vinci design?
Answer
Viola organista
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What Leonardo da Vinci design was a military cart fitted with rotating blades?
Answer
Scythed chariot
What Leonardo da Vinci military vehicle was an armored wagon with cannon openings?
Answer
Leonardo’s armored tank
What unusual keyboard instrument did Leonardo da Vinci design?
Answer
Viola organista
Which Leonardo da Vinci invention is considered an early self-propelled car?
Answer
Leonardo's self-propelled cart
What Leonardo da Vinci design used a pyramid-shaped canopy as a parachute?
Answer
Leonardo's parachute
What Leonardo da Vinci invention is often called the world's first robot?
Answer
Leonardo's robotic knight
What was the title of J.K. Rowling’s 2008 charity book featuring Hogwarts school lore?
Answer
The Tales of Beedle the Bard
At which English university did J.K. Rowling study French and the Classics?
Answer
University of Exeter