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What astronomical instrument did Leonardo da Vinci study for measuring the angle between a star and the horizon?
Answer
Astrolabe
What named machine did Leonardo da Vinci design to imitate a walking human?
Answer
Robotic knight
What rotating device did Leonardo da Vinci sketch as a possible ancestor of the helicopter?
Answer
Aerial screw
What type of lock did Leonardo da Vinci sketch for canals and water engineering?
Answer
Miter lock
What rescue device did Leonardo da Vinci sketch as a cone-shaped parachute?
Answer
Parachute
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What named machine did Leonardo da Vinci design to imitate a walking human?
Answer
Robotic knight
What type of vehicle did Leonardo da Vinci sketch as a self-propelled cart?
Answer
Spring-powered cart
Where was the Japanese Instrument of Surrender signed on V-J Day?
Answer
Tokyo Bay
Which three Allied powers issued the Potsdam Declaration calling for Japan’s surrender?
Answer
United States, United Kingdom, and China
Which World War II order directed Japanese forces to surrender to designated Allied commanders?
Answer
General Order No. 1
Who was Japan’s prime minister when Hirohito’s surrender announcement was broadcast?
Answer
Kantaro Suzuki