Smart digital health has reshaped patient monitoring, but it faces a fundamental trade-off between device intelligence and continuous, energy-efficient monitoring. Inspired by self-sustaining ...

As long as the circuit is complete—which in a flashlight means the switch is left on—current will continue to flow, gradually ...

Efficiency, impedance, and power quality are key parameters to measure in data-center power-distribution networks. In part 1 ...

Madison researchers have developed an implantable, battery-free pacemaker that's charged by a patient's heartbeat. The device ...

This price reflects trading activity during the overnight session on the Blue Ocean ATS, available 8 PM to 4 AM ET, Sunday through Thursday, when regular markets are closed. The above button links to ...