How a $10 Microchip Turns 2-D Ultrasound Machines into 3-D Imaging Devices - Low

From Duke University Medical Center: An orientation sensor chip converts a 2D ultrasound machine into 3D ultrasound...

"Technology that keeps track of how your smartphone is oriented can now give $50,000 ultrasound machines many of the 3-D imaging abilities of their $250,000 counterparts -- for the cost of a $10 microchip."

https://www.sciencedaily.com/releases/2017/10/171031111531.htm