The $50 sensor runs on two coin cell batteries so you don’t need a nearby power source for installation.

The US healthcare system’s focus on activity rather than value for money was behind the demise of Proteus Digital Health and its “digital pill”, which measured whether schizophrenia patients took ...

Abstract: This brief studies the flow field estimation issue with underwater sensor networks (USNs) in inhomogeneous medium. We first adopt the ray tracing model to compensate the range bias caused by ...