What was the exact date of Japan’s surrender announcement to its public in 1945?
Answer
August 15, 1945
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What was the exact date of Japan’s surrender announcement to its public in 1945?
Answer
August 15, 1945
What Leonardo da Vinci war machine used several guns arranged on a rotating platform?
Answer
33-barrel organ
What Leonardo da Vinci machine used gears and wheels to move without a person pushing it?
Answer
Self-propelled cart
What machine element did Leonardo da Vinci study in a design using balls between moving surfaces?
Answer
Ball bearing
What steam-powered cannon did Leonardo da Vinci design in his military studies?
Answer
Architonnerre
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What Leonardo da Vinci war machine used several guns arranged on a rotating platform?
Answer
33-barrel organ
What Leonardo da Vinci machine used gears and wheels to move without a person pushing it?
Answer
Self-propelled cart
What steam-powered cannon did Leonardo da Vinci design in his military studies?
Answer
Architonnerre
What Leonardo da Vinci weapon was designed as a giant bow for launching large bolts?
Answer
Giant crossbow
What water-control device did Leonardo da Vinci design with a screw-like lifting mechanism?
Answer
Archimedes' screw
What machine did Leonardo da Vinci design to make large metal balls easier to move?
Answer
Ball-bearing mechanism