Suburban Physics

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You’re driving a car. The windows are closed. In the back seat is a kid holding a helium balloon.

You turn right. You and the kid sway to the left. What does the balloon do?

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Tee Time

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The last golf shots on the moon were taken by Apollo 14 astronaut Alan Shepard in February 1971.

When the crew returned to Earth, they received the following telegram from the Royal and Ancient Golf Club in Scotland:

Warmest congratulations to all of you on your great achievement and safe return. Please refer to the Rules of Golf section on etiquette, paragraph 6, quote – before leaving a bunker a player should carefully fill up all holes made by him therein, unquote.

Erdös Numbers

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Hungarian mathematician Paul Erdös was immensely prolific — he published about 1,500 articles in his lifetime. His influence is so great that his colleagues have taken to assigning “Erdös numbers” to one another. Erdös himself gets an Erdös number of 0; his direct collaborators get a 1; anyone who collaborates with them gets a 2, and so on.

Those in the first rank include many of the world’s top mathematicians, but there’s one standout: Hank Aaron. The Baseball Hall of Famer once signed a baseball with Erdös while accepting an honorary degree — and that, some say, counts as a joint publication.