In 1879, Edwin Hall discovered an electrical effect thought to need a perpendicular magnetic field; 147 years later, scientists have shown it can work with the field in-plane
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September 6, 2026
An atomic force microscopy scan of a nanometer-sized device developed by Carnegie Mellon scientists that demonstrates a new form of the Hall effect. For more than a century, the Hall effect has been taught with a simple picture that electricity flows…