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What type of ship protection did Leonardo da Vinci propose using two parallel hulls?
Answer
Double hull
What Renaissance device is Leonardo da Vinci credited with sketching to reduce friction between moving parts?
Answer
Ball bearing
What was the name of Leonardo da Vinci’s four-wheeled machine that moved without a horse?
Answer
Self-propelled cart
What Leonardo da Vinci design proposed a spiral device for vertical flight?
Answer
Aerial screw
What Leonardo da Vinci invention combined a keyboard with a bowed string mechanism?
Answer
Viola organista
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What was the name of Leonardo da Vinci’s four-wheeled machine that moved without a horse?
Answer
Self-propelled cart
What Leonardo da Vinci design proposed a spiral device for vertical flight?
Answer
Aerial screw
What Leonardo da Vinci invention combined a keyboard with a bowed string mechanism?
Answer
Viola organista
What Leonardo da Vinci automaton was designed as a humanoid armored figure?
Answer
Mechanical knight
What Leonardo da Vinci machine used a screw conveyor to move material continuously?
Answer
Archimedes’ screw
What water-lifting machine did Leonardo da Vinci study for moving water uphill?
Answer
Archimedes’ screw
What Leonardo da Vinci design is commonly regarded as an early tank concept?
Answer
Armored vehicle
When did the original Pokémon television series premiere in Japan?
Answer
April 1, 1997