A controversial new movement promoting the "science of math" has come into the math establishment's crosshairs.

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Abstract: Visual–auditory sensory substitution systems can aid visually impaired people in traveling to various places and recognizing their own environments without help from others. Although several ...

Euny Hong is the former supervising editor at Investopedia.com. She is also the author of two critically-acclaimed, published books. Dr. JeFreda R. Brown is a financial consultant, Certified Financial ...