Science Source General Science

EN_90286236_0261

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caption

A .357 caliber bullet is fired from a hand gun. The schlieren optical system images different air pressures with different colors of light. The clear bow wave in front of the bullets shows that the bullet is moving faster than the speed of sound. The exact velocity of this supersonic bullet can be calculated from measurements of the bow wake angle. This image freezes the motion by using a high speed flash with a duration of 1/2,000,000th of a second.

headline Science Source General Science

created date 2010-02-13

credit EAST NEWS

source Science Source

byline Edward Kinsman

original transmission reference bl0347

weight 0,74MB

size 34cm x 21cm by 300dpi

keywords - Show

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