Tetris - Tetris T-block - T-shirt - (Lootchest June 2019)

Tetris (Russian: Те́трис, pronounced [ˈtɛtrʲɪs]) is a tile-matching puzzle video game, originally designed and programmed by Russian game designer Alexey Pajitnov. It was released on June 6, 1984, while he was working for the Dorodnitsyn Computing Centre of the Academy of Science of the USSR in Moscow. He derived its name from the Greek numerical prefix tetra- (all of the game's pieces contain four segments) and tennis, Pajitnov's favorite sport.

Tetris was the first entertainment software to be exported from the USSR to the US, where it was published by Spectrum HoloByte for Commodore 64 and IBM PC. The Tetris game is a popular use of tetrominoes, the four-element special case of polyominoes. Polyominoes have been used in popular puzzles since at least 1907, and the name was given by the mathematician Solomon W. Golomb in 1953. However, even the enumeration of pentominoes is dated to antiquity.

The game (or one of its many variants) is available for nearly every video game console and computer operating system, as well as on devices such as graphing calculators, mobile phones, portable media playersPDAsNetwork music players and even as an Easter eggon non-media products like oscilloscopes. It has even inspired Tetris serving dishes and been played on the sides of various buildings.


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T-shirt (or tee shirt, or tee) is a style of unisex fabric shirt, named after the T shape of the body and sleeves. It is normally associated with short sleeves, a round neckline, known as a crew neck, with no collar. T-shirts are generally made of a light, inexpensive fabric, and are easy to clean.

Typically made of cotton textile in a stockinette or jersey, knit, it has a distinctively pliable texture compared to shirts made of woven cloth. The majority of modern versions have a body made from a continuously woven tube, on a circular loom, so that the torso has no side seams. The manufacture of T-shirts has become highly automated and may include fabric cutting by laser or water jet.

The T-shirt evolved from undergarments used in the 19th century, and in the mid-20th century transitioned from undergarment to general-use casual clothing.

A V-neck T-shirt has a V-shaped neckline, as opposed to the round neckline of the more common crew neck shirt (also called a U-neck). V-necks were introduced so that the neckline of the shirt does not stand out when an outer shirt is worn over it, thus reducing or eliminating the visible cloth above the outer shirt of a crew neck shirt.





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