Abstract: To improve the spatial resolution of power Doppler (PD) imaging, we explored null subtraction imaging (NSI) as an alternative beamforming technique to delay-and-sum (DAS). NSI is a nonlinear ...
3d
This Historic Pistol Blends 1911 and Browning Hi Power Features, and You’ll Never See It Made Again
This lesser-known pistol was released the same year as the Hi Power, manufactured under Nazi occupation, and was never made ...
Modern Engineering Marvels on MSN
The Evolution of the Browning Automatic Rifle: A Century of Firepower and Innovation
Developed for infantry support and used sparingly in World War I since it was introduced so late, the Browning Automatic Rifle (BAR) became a force to be reckoned with as a companion for U.S. troops ...
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