Where Do Puzzles Come From?
The history of riddles may be something you already have a basic understanding of. Certainly, since 1760, they have existed. Making jigsaw puzzles today, however, has...
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What Is Silver Screen?
What Is Silver Screen? People sometimes refer to the films that are shown in cinemas as the silver screen. Since the advent of films in the early 1900’s, theaters...
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When Was the First Interstellar Radio Message Sent?
When Was the First Interstellar Radio Message Sent? The Arecibo Message, humankind’s first interstellar radio message, sent from the Arecibo Observatory in Puerto Rico...
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What Are Identikit and Photofit?
What Are Identikit and Photofit? The identikit system of building up a picture of someone sought by the police was developed in the United States of America in 1960 by...
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Where Is the Monalisa?
Where Is the Monalisa? The world’s most famous portrait, painted by Leonardo da Vinci (1452-1519) between 1503 and 1506, hangs today in the Louvre in Paris. The Louvre,...
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