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  2. Tritium radioluminescence - Wikipedia

    en.wikipedia.org/wiki/Tritium_radioluminescence

    Tritium is not the only material that can be used for self-powered lighting. Radium was used to make self-luminous paint from the early 20th century to about 1970. Promethium briefly replaced radium as a radiation source. Tritium is the only radiation source used in radioluminescent light sources today due to its low radiological toxicity and ...

  3. Radioluminescence - Wikipedia

    en.wikipedia.org/wiki/Radioluminescence

    A 1950s radium clock, exposed to ultraviolet light to increase luminescence Self-luminous white radium paint on the face and hand of an old clock. The first use of radioluminescence was in luminous paint containing radium, a natural radioisotope.

  4. Exit sign - Wikipedia

    en.wikipedia.org/wiki/Exit_sign

    Radio-luminescence (or "self-luminous") where a phosphor coating inside a glass tube glows due to the beta decay of radioactive tritium gas sealed into the tube. Radio-luminescent exit signs are prohibited in US Department of Defense installations.

  5. United States Radium Corporation - Wikipedia

    en.wikipedia.org/wiki/United_States_Radium...

    The following year, a new facility at the Bloomsburg plant opened for the manufacturing of "tritiated metal foils and tritium activated self-luminous light tubes," [9] and the company switched focus to the manufacture of glow-in-the-dark exit and aircraft signs using tritium. Starting in 1979, the company underwent an extensive reorganization.

  6. Luminescence - Wikipedia

    en.wikipedia.org/wiki/Luminescence

    Luminol and haemoglobin, an example of chemiluminescence UV-photoluminescence in microbiological diagnostics. Luminescence is a spontaneous emission of radiation from an electronically or vibrationally excited species not in thermal equilibrium with its environment.

  7. 'I Tried a Buccal Massage To See What the Hype Was ... - AOL

    www.aol.com/lifestyle/tried-buccal-massage-see...

    I love facials, especially anything incorporating cutting-edge, high-tech devices like microneeding and radiofrequency, or super hydrating, glow-inducing treatments with lots of masks and serums.