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University of Virginia Health System, Charlottesville, VA 22908, USA; ai5dp{at}virginia.edu Background Cerebral venous sinus thrombosis (CVST) is an uncommon form of stroke that, when severe, can be a ...
History-Computer on MSN1d
Christel Hamann’s 1909 Difference Engine: A Pioneering Mechanical CalculatorChristel Hamann’s difference engine was a type of mechanical calculator made in the 1900s. It was automatic and could help ...
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