Bionic Bacteria

Living, gold-coated bacteria can act as humidity sensors.

By Emily Sohn, 00:00 AM October 21, 2005

Sometimes inanimate objects appear to act as if they're alive. Doors suddenly slam shut on their own, lights flicker on and off, or refrigerators gurgle and gasp. It's the spooky stuff of science fiction and horror movies.

Get used to the idea. Living gadgets may be on their way.

A bacterium coated with tiny gold particles.

A bacterium coated with tiny gold particles.

© Angewandte Chemie/Wiley

Two chemical engineers from the University of Nebraska in Lincoln have turned simple bacteria into electrical devices that measure humidity. The cra...

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