Rabinow, Jacob

Jacob Rabinow, a researcher at the National Bureau of Standards (since renamed as the National Institute of Standards and Technology), discovers the magnetorheological effect. 

Automatic letter-sorting machine (Jacob Rabinow) Rabinow s machine greatly increased the speed and efficiency of mail delivery in the United States. He also invented an optical character recognition (OCR) scanner. 

A concern that is often expressed about MR fluids is the possibility of gravitational settling of the dense iron particles. While particulate settling is indeed a phenomenon that can occur, it can be controlled and has not been a barrier to the successful commercial application of MR fluids. As early as 1950 Jacob Rabinow pointed out that complete suspension stability was not... 

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