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What wing-powered flying-machine concept did Leonardo da Vinci study using a bird-like flapping motion?
Answer
Ornithopter
What name is commonly given to Leonardo da Vinci’s 1478 design for a vehicle that moved under its own power?
Answer
Self-propelled cart
Which rotating-aircraft concept did Leonardo da Vinci sketch around 1490?
Answer
Aerial screw
Which Taiwanese chipmaker has the world’s largest dedicated semiconductor foundry business?
Answer
TSMC
Which payments company was created in 1958 as BankAmericard, the predecessor of a globally valuable card network?
Answer
Visa
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What name is commonly given to Leonardo da Vinci’s 1478 design for a vehicle that moved under its own power?
Answer
Self-propelled cart
Which rotating-aircraft concept did Leonardo da Vinci sketch around 1490?
Answer
Aerial screw
Which 1998 event caused a sharp global market sell-off after Russia defaulted on its debt?
Answer
Russian financial crisis