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Ultrasound Leads to Intense Mechanoluminescence

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The next time you pull off that old party trick of turning off the lights, then crunching into a wintergreen-flavored Life Savers candy until the sparks fly, you may have a deeper appreciation for the effect known as triboluminescence, or mechanoluminescence. Scientists have observed the phenomenon for more than 400 years, but it mostly has been relegated to party games because the luminescent effect caused by crushing or scraping crystals (in the case of hard candy, sugar crystals) is very weak. However, investigators Nathan C. Eddingsaas and Kenneth S. Suslick of the University of...Read full article

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    Published: June 2007
    Glossary
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    triboluminescence
    Luminescence that arises from friction and that usually occurs in crystalline materials.
    As We Go To PressBreaking Newschemicalsluminescent effectmechanoluminescencephotonicsPresstime Bulletintriboluminescence

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