Wi-Fi signals today primarily transmit data. But these signals can also be used for other innovative purposes. For instance, one California-based team has proposed using ambient Wi-Fi signals to ...

Both the iPhone app store and the Android market have their fair share of heart rate monitors, which use either the microphone or in some cases the camera to detect your heart rate, with varying ...

Highly detailed simulations of the coronary artery only need one to two heartbeats to calibrate, rather than the standard ...