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What Leonardo da Vinci aerial invention used a helical sail to rise into the air?
Answer
Aerial screw
What machine did Leonardo da Vinci design to produce continuous rotary motion from a waterwheel?
Answer
Water-powered mill
What underwater breathing device did Leonardo da Vinci sketch for divers?
Answer
Diving suit
What type of lifting machine did Leonardo da Vinci design using a rotating screw and a platform?
Answer
Screw jack
What mechanical automaton did Leonardo da Vinci design in armor for a Milan court festival?
Answer
Robot knight
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What machine did Leonardo da Vinci design to produce continuous rotary motion from a waterwheel?
Answer
Water-powered mill
What underwater breathing device did Leonardo da Vinci sketch for divers?
Answer
Diving suit
What self-propelled vehicle did Leonardo da Vinci design around 1478?
Answer
Self-propelled cart
What was the name of McDonald’s original service concept, promoted before the chain became globally famous?
Answer
Speedee Service System
Which McDonald’s character was known as the captain of the McDonaldland villains?
Answer
Captain Crook
What McDonald’s slogan was used during the 1980s campaign built around great taste?
Answer
It’s a good time for the great taste of McDonald’s