ROBBIE SHONE / SCIENCE PHOTO LIBRARY ROBBIE SHONE / SCIENCE PHOTO LIBRARY
OSL dating research, close-up of a sample plate loaded with samples. Optically stimulated luminescence (OSL) dating is a method of determining how long ago minerals were last exposed to daylight. Photographed in June 2013, in the OSL Laboratory, Innsbruck University, Innsbruck, Austria.
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