Imperial Valley News Center
Tough new hydrogel hybrid doesn’t dry out
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- Written by Jennifer Chu
Cambridge, Massachusetts - If you leave a cube of Jell-O on the kitchen counter, eventually its water will evaporate, leaving behind a shrunken, hardened mass — hardly an appetizing confection. The same is true for hydrogels. Made mostly of water, these gelatin-like polymer materials are stretchy and absorbent until they inevitably dry out.
Driverless cars: Who gets protected?
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- Written by Peter Dizikes
Cambridge, Massachusetts - Driverless cars pose a quandary when it comes to safety. These autonomous vehicles are programmed with a set of safety rules, and it is not hard to construct a scenario in which those rules come into conflict with each other. Suppose a driverless car must either hit a pedestrian or swerve in such a way that it crashes and harms its passengers. What should it be instructed to do?
Analog computing returns
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- Written by Larry Hardesty
Cambridge, Massachusetts - A transistor, conceived of in digital terms, has two states: on and off, which can represent the 1s and 0s of binary arithmetic.
How well do facial recognition algorithms cope with a million strangers?
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- Written by Jennifer Langston
Seattle, Washington - In the last few years, several groups have announced that their facial recognition systems have achieved near-perfect accuracy rates, performing better than humans at picking the same face out of the crowd.
Police officers show strong willingness to intervene when other officers commit domestic violence
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- Written by Jared Wadley
Ann Arbor, Michigan - While much has been made about the "blue wall of silence" among police officers, a new study suggests that officers don't turn a blind eye when other officers perpetrate domestic violence.
Creating more effective product recalls by improving traceability
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- Written by Shannon Roddel
Notre Dame, Indiana - Each year, an estimated 48 million Americans get sick — sometimes mortally — from an all-too common source: foodborne pathogens. Even as the industry looks for ways to curb outbreaks, a new University of Notre Dame study finds that just being able to trace a product through its supply chain is at once critical, and difficult.
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