Quantum crossword
Most crosswords have a single correct solution. A quantum crossword has several.
Category: Society
White sausage equator
The white sausage equator (Weißwurstäquator) divides northern and southern Germany. The rösti curtain (Röstigraben) divides German-speaking and French-speaking Switzerland.
Kick volleyball
Sepak takraw resembles volleyball, except you can only use your feet, knees, and head. The kicks are amazing, but you should not let the sons of sultans and prime ministers play.
Underwater circumnavigation
The USS Triton was the first submarine to circumnavigate the world completely underwater. It was spotted just once, by a Filipino fisherman.
King vs. monkey
Alexander, the unlucky puppet king of Greece, was killed by a monkey bite and medical incompetence in 1920.
The Church of One Tree
The Church of One Tree in Santa Rosa, California, was built in 1873 out of a single giant redwood tree.
Invisible art
The French artist Yves Klein sold empty space – an invisible “zone of immaterial pictorial sensibility.” Buyers paid in gold, half of which Klein would throw into the Seine River.
The universal catalogue
The Universal Decimal Classification aims to label all human knowledge, and it’s even more thorough than the Dewey Decimal system.
Religion at the poles
According to Jewish law, Shabbat begins at sundown. During Ramadan, Muslims fast from sunrise to sunset. But what do you do if the sun does not set?
For President: Convict No. 9653
Eugene Debs received more than 900,000 votes in the 1920 American presidential election – while in prison for sedition.
Space humility
People who see our planet from outer space experience profound awe, humility, and a recognition of the fragility of life. They return to Earth changed.
Book of lonely vowels
Christian Bök’s 2001 anthology Eunoia contains five chapters that each use just one of the five vowels.
Cheating chess computer
In 2011, the World Computer Chess Championship banned the four-time champion Rybka chess engine for cheating.
First computer chess cheat
In the 1993 World Open chess tournament, an unknown competitor drew a match against a grandmaster. He used a computer to cheat.
Human alarm clock
How did people wake up in the morning before alarm clocks? They paid to get knocked up.
Mary and the lamb
Sarah Josepha Hale published “Mary had a Little Lamb” in 1830. Forty-six years later, Mary Tyler claimed to be the original Mary.
The Generalist Academy 