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NASA considers several qualities of motor-brush materials when determining suitability for a given mission. Among the most important are the wear rate and the cohesiveness of the debris. Engineers ...

Brushed DC motors are widely used in applications ranging from toys to push-button adjustable car seats. Brushed DC motors are inexpensive, easy to drive, and are readily available in all sizes and ...

[dmalhar] was digging around in his bins for motors and found one with missing brushes. Being resourceful (and not able to find another motor), he managed to tear apart a SATA cable and form the pins ...

A motor — or a generator — requires some normal magnets and some electromagnets. The usual arrangement is to have a brushed commutator that both powers the electromagnets and switches their polarity ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Thermal dissipation is a byproduct of many modern semiconductor devices and has improved with low-leakage, low-power CMOS processes. But as designers cram more processing power into smaller spaces, ...