'Magnetic tongue' ready to help produce tastier processed foods

The "electronic nose," which detects odors, has a companion among emerging futuristic "e-sensing" devices intended to replace abilities that once were strictly human-and-animal-only. It is a "magnetic tongue" -- a method used to "taste" food and identify ingredients that people describe as sweet, bitter, sour, etc. Scientists report on use of the method to taste canned tomatoes.

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