and keep the superficial object image clear. This same technology is also used in handheld ultrasound devices to determine blood flow. Doppler ultrasound estimates the difference in the ...

PHHE devices are much simpler in design compared with the high-end echocardiography machines ... Pocket-size hand-held echocardiographic (PHHE) devices are extremely mobile, providing the ...

When Amazon released the original Echo, it was a pretty simple affair ... all you’ll find are clear and well-lit images of the device’s internals. But for those who are just interested ...