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I am only a rectangle with a...

I am only a rectangle with a hole, but when a part of me falls, someone dies. What am I?

Correct answers: 43

The first user who solved this task is Djordje Timotijevic.

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Mark Gross: Can You Help?

A couple days ago, I was crossing this bridge, and there was this character standing there with a cup in his hand. He goes, Hey, can you help out my wife and family? I said, Sure. And I pushed him off the bridge.

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Andre-Eugene Blondel

Born 28 Aug 1863; died 15 Nov 1938 at age 75.André-Eugène Blondel was a French physicist who invented (1893) the electromagnetic oscillograph, a device that allowed electrical researchers to observe the intensity of alternating currents. In 1894, he proposed the lumen and other new photometric units for use in photometry, based on the metre and the Violle candle. Endorsed in 1896 by the International Electrical Congress, his system is still in use with only minor modifications. Blondel was a pioneer in the high voltage long distance transport of electric power, and also contributed to developments in wireless telegraphy, acoustics, and mechanics. He proposed theories for induction motors and coupling of a.c. generators.«

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