April 2010 Issue

Investigating the Microscopic World of Food Nanotechnology

Imagine "smart" food packaging that changes color to alert you when a food spoils, or "interactive" foods that are personalized to fit your needs. It may sound like the stuff of science fiction, but this kind of technology is real thanks to nanotechnology (or, nanotech), which has quietly moved to the forefront of innovation, poised to revolutionize the food industry. In a nutshell, nanotechnology involves manipulating matter at the nanoscale levelómuch too small for the human eye to see. A nanometer is one-billionth of a meter (a single human hair measures 100,000 nanometers wide.)

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