Tricks with scarves and their solutions. Encyclopedia of tricks

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EFFECTIVE FOCUSES AND THEIR CLUES
Free library / Directory / Spectacular tricks and their clues

Spectacular tricks and their clues

Spectacular tricks and their clues

Directory / Spectacular tricks and their clues

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Random news from the Archive

Reading by sound 07.12.2009

You can read the text that it prints by the noise of a dot matrix printer. This conclusion was reached by a group of computer security experts from the University of Saarbrücken (Germany).

They printed out words from a dictionary on a printer and recorded the noise they made. Having compiled a database from the recorded sounds, the researchers taught the computer to restore the text from the rattling of the printer.

The recognition success is 70%. Although dot-matrix printers are now considered obsolete, 30% of all German banks still use them to print invoices and statements, and 60% of doctors use these printers to keep medical records. So if you walk into a bank or clinic with a miniature voice recorder and record the noise of the printer, you can access highly confidential data.

Experience conducted in a real-life doctor's waiting room confirmed that these data can indeed be read.

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