Today's SoCs (system on chip) have many modes of operation. Subsystems are shut down when not in use. When the entire SoC is in a “sleep” mode, many subsystems may be shut down or run on minimal power ...

[DainBramage] needed a DC ammeter to check how long his amateur radio station would be able to stay powered on battery backup power. The one’s he already had on hand were a Clamp Meter, which could ...

Physicists have made the first definitive measurements of "persistent current," a small but perpetual electric current that flows naturally through tiny rings of metal wire even without an external ...