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Optical innovator uses soda-straw-like tubes to solve widespread sensing problems Car battery failing? Hazardous material leaching? Oil level dropping?There you are, tapping your fingers on the cold steering wheel as your windows cloud over from your breath. How could you have known your car battery was that low? Sending weak beams of light through inexpensive glass tubes that resemble soda straws, Sandia National Laboratories researcher Jonathan Weiss - dubbed by some the "light wizard" - can inexpensively solve problems ranging from the migration of waste through a landfill to detecting when an automobile battery soon will be too weak to start a car.
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