A continuity tester that indicates the resistance of, say, PCB traces with musically-related tones, whose pitch changes with ...

Crowbar circuits have long been the go-to safeguard against overvoltage conditions, prized for their simplicity and ...

Parker Solar Probe reached "perihelion," the nearest point to the sun in its orbit, on Dec. 13, 2025. Credit: ASA / Johns Hopkins APL / Steve Gribben illustration A NASA spacecraft is making a close ...

Scanning probe microscopy images a sample by scanning a physical probe just above the surface. A variety of different probes and detection modalities can be used to generate either a topological map ...