American College of Cardiology

Engineering

Image: Greener way to get satellites moving

A sustained test firing of a 'green' satellite thruster at Poland's Institute of Aviation, intended as a future alternative to today's hydrazine-based apogee engines, typically used by telecommunication satellites to maneuver ...

Cardiology

Biomedical device can prevent deaths caused by blood clots

New portable technology that visualizes clots forming in flowing blood in a 3-D holographic livestream promises to dramatically improve screening and treatment of stroke, heart attack and coronavirus-induced lung failure.

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