Aluminum Aerospace Coating May Replace Toxic Chromates
A materials engineering research team at the University of Nevada, Reno has developed an environmentally friendly, self-healing coating for aluminum that could replace toxic chromates. (Source: University of Nevada, Reno/Mike Wolterbeek)
With erupting concern over police brutality, law enforcement agencies are turning to body-worn cameras to collect evidence and protect police and suspects. But how do they work? And are they even really effective?
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