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air’s unseen eruption Updated technologies expose C ZYTAMY PO ANGIELSKU

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FOTON 93,Lato 2006 51

C ZYTAMY PO ANGIELSKU

Updated technologies expose air’s unseen eruption

Science News, April 8, 2006, Vol. 169, No 14

KER-POW! – Two different shock wave patterns emerge in this high-speed schlieren photograph of a .30-06-caliber rifle discharge. The wake of the supersonic bullet heads to the left. A much larger, spherical shock wave – a phenomenon recently made visible by advanced imaging methods – balloons from the muzzle’s length. Hot gases billow from the muzzle’s tip.

Dictionary:

shock wave – fala uderzeniowa supersonic – naddźwiękowy muzzle – spust

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