Discovering fake olive oil through lasers

02/18/2013 | Wired.co.uk (U.K.)

A laser created to scan space gases for isotopes may be repurposed to detect fake olive oil and other substances. The compact device, invented by Britain's Rutherford Appleton Laboratory, can be used to identify a food's carbon fingerprint, which shows up in the carbon dioxide released when a small amount of the food is burned.

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