Inventions of the XX and XIX centuries. 
Tetris
Mobile phone
Computer
Electric vehicle
thank you for your attention
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Category: historyhistory
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Inventions of the XX and XIX centuries

1. Inventions of the XX and XIX centuries. 

Inventions of
the XX and XIX
centuries.

2. Tetris

More than thirty years ago, the
Pentamino puzzle was popular in the
USSR: on a checkered piece of paper,
it was necessary to correctly fold the
curly blocks of five squares.

3. Mobile phone

The first phone was demonstrated at
the end of the 19th century, and the
first mobile phone appeared in the 70s
of the twentieth century.

4. Computer

Today it is difficult to imagine life
without a computer, laptop or tablet.
But until recently, such devices were
used exclusively for scientific purposes.

5. Electric vehicle

IN THE LAST THIRD OF THE
NINETEENTH CENTURY, THE
WORLD WAS GRIPPED BY A
REAL "ELECTRIC FEVER".

6. thank you for your attention

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