Image: Supersonic-bullet-shadowgram-Settles
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Description: Shadowgram of shock waves from a supersonic bullet fired from a rifle. The shadowgraph optical technique reveals that the bullet is moving at about a Mach number of 1.9. Left- and right-running bow waves and tail waves stream back from the bullet, and its turbulent wake is also visible. Patterns at the far right are from unburned gunpowder particles ejected by the rifle.
Title: Supersonic-bullet-shadowgram-Settles
Credit: Own work
Author: Settles1
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes
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