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Supercapacitor promises storage, high power and fast charging

A new supercapacitor based on manganese oxide could combine the storage capacity of batteries with the high power and fast charging of other supercapacitors, according to researchers.

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Scientists observe bacteria tumble their way out of surface traps

While tracing the movement of Escherichia coli, a team of researchers noticed that near solid surfaces, the bacteria run in circles. Loop after loop, the tracing almost looks like an Olympic figure skating rink before the Zamboni irons the sheet of ice smooth. Breaking down E. coli’s routine step by step, the scientists identified a signature move — surface tumbling.

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