Recently, [Solder Hub] put together a brief video that demonstrates the basics of a Hall Effect sensor — in this case, one salvaged from an old CPU fan. Two LEDs, a 100 ohm resistor, and a 3.7 volt ...
An atomic force microscopy scan of one of the experimental devices. (Carnegie Mellon University) Non-physicists might hear of ...
Researchers have overturned a century-old physics rule about magnetic field detection. They engineered a custom quantum material to trigger the Hall effect sideways. This breakthrough allows a single ...
Scientists at Carnegie Mellon University have discovered an unexpected form of the Hall effect, overturning the long-held assumption that this electrical response only appears when a magnetic field ...
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