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Hertha Marks Ayrton was a mathematician, scientist, inventor, and the first female member of the IEE and Royal Society of London. Her accomplishments as an electrical engineer and women's rights activist have gone largely unnoticed until recently.

Classifying signals is a way to organize the signals that surround us. It focuses design, testing requirements, measurement tools, and expected results. There are many ways to classify signals!

Researchers from the University of Cambridge have recently developed a graphene-based superconductor without altering the material.