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What armored vehicle did Leonardo da Vinci design with a conical, turtle-like body and cannons?
Answer
Leonardo’s tank
What rotating-wing aircraft concept did Leonardo da Vinci sketch in his studies of flight?
Answer
Helicopter
What type of emergency air device did Leonardo da Vinci describe in a 1485 Codex Atlanticus note?
Answer
Parachute
What rolling-friction device did Leonardo da Vinci sketch using balls between rings?
Answer
Ball bearing
What battlefield weapon did Leonardo da Vinci sketch with three rows of barrels that could fire in sequence?
Answer
33-barrel organ
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Latest trivia questions
What transport invention did Leonardo da Vinci design as a self-propelled cart?
Answer
Self-propelled cart
What was the score when Brentford played Tottenham Hotspur during the 2026–27 Premier League opening weekend?
Answer
Brentford 3–0 Tottenham Hotspur
What 1945 directive instructed Japanese forces where to surrender to designated Allied commanders?
Answer
General Order No. 1
Which Allied statement did Emperor Hirohito announce Japan would accept on August 15, 1945?
Answer
The Potsdam Declaration