Abstract: A globally constant sound speed of 1540 m/s is often assumed when beamforming ultrasound images, despite variations in tissue properties that lead to heterogeneous sound speeds. As a result, ...

The United States is home to an enormous range of museums. In 2015, The Washington Post reported that the country has about 35,000 of them. Needless to say, not all these establishments will appeal to ...

LONDON (AP) — Germany’s president is set to lay a wreath Friday at Coventry Cathedral in central England, symbolically atoning for the atrocities of World War II as his country and the United Kingdom ...

Witnesses saw a B-17 bomber, crippled and crashing into the English Channel, still firing its guns at a German fighter as it sank. The man in the turret was covering his drowning crewmates with his ...

Thirty-plus years ago the fractional jet industry was just a baby. Many theorized that it would never work and was just going to be another flash in the pan, just a footnote in the aviation history ...

Integrated, harmonized systems deliver stronger long-term reliability than overbuilt individual components. Designing equipment for modular evolution ensures adaptability across future missions, tasks ...

The search for the two people on board has been suspended, the Coast Guard said. The Coast Guard has suspended its search for two people who were on board a small plane that went down over Lake ...