Press Record.

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To begin our journey, we must learn a little something about radiation. It is really very simple, and the device we use for measuring radiation levels is called a geiger counter . If you flick it on in Kiev, it will measure about 12-16 microroentgen per hour. In a typical city of Russia and America, it will read 10-12 microroentgen per hour. In the center of many European cities are 20 microR per hour, the radioactivity of the stone.