COLIN CUTHBERT / SCIENCE PHOTO LIBRARY COLIN CUTHBERT / SCIENCE PHOTO LIBRARY
Flash photolysis equipment, showing lasers (blue and yellow). Flash photolysis is a method of investigating fast photochemical reactions in a sample. A laser initiates a chemical change within the sample. During the chemical change, the intermediate products can be identified from their absorption spectra, the unique pattern of light wavelengths they absorb. Photographed at Durham University, UK.
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