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Calculate the number 544

NUMBERMANIA: Calculate the number 544 using numbers [9, 2, 1, 8, 89, 329] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 31

The first user who solved this task is Sanja Šabović.

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Honey Pie

After a nice dinner the two couples got up from the table. The ladies went into the kitchen and the men went into the family room.

One of the gents said to the other, "I think it is so wonderful how you call your wife, "honey pie" and "sweet pea", and "sugar" all the time.

The other gent said, "Well to tell you the truth, four years ago, I forget her name."

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Zoopraxiscope

In 1882, the zoopraxiscope, an optical apparatus invented by Eadweard J. Muybridge (1879) to exhibit photographs of moving animals, was shown at the Royal Institution in the presence of the Prince of Wales. Muybridge's great work on the subject was published in 1887-9, and his Animals in Motion in 1899.* The zoopraxiscope projected images from rotating glass disks in rapid succession to give the impression of motion. It functioned as essentially the first movie projector, with a sequence of stop-motion silhouette images hand-painted around the edge of a circular glass disk, which was loaded onto the projector's side in a vertical position. In 1893, he lectured at "Zoopraxigraphical Hall" at the World's Columbian Exposition in Chicago.«[Image: Zoopraxiscope light source with chimney (left), glass disc (bottom alone, and right of centre mounted vertically). A large lens mounted for focussing the light beam stands on the right outside the picture.]

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