PASQUALE SORRENTINO / SCIENCE PHOTO LIBRARY PASQUALE SORRENTINO / SCIENCE PHOTO LIBRARY
Research laser. Laser (red light) being used in laboratory research. A set of mirrors and lenses are being used to direct the laser. Common uses of lasers include holography (producing holograms), and interferometry (measuring small changes using interference between waves). Laser is an acronym for 'light amplification by stimulated emission of radiation'.
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