Phosphorescence is the extended emission of electromagnetic radiation (light) following excitation or the emission of light without the production of significant heat (e.g., in the bioluminescence of fireflies). Materials that display a persistent...

fl. early 1600s Italian alchemist who created the first synthetically luminiscent material (c. 1603). A cobbler by profession in Bologna, Cascariolo heated a mixture of barium sulfide with coal and found that the powder thereby obtained exhibited a...

In simpler terms, phosphorescence is a process in which energy absorbed by a substance is released relatively slowly in the form of light. This is in some cases the mechanism used for "glow-in-the-dark" materials which are "charged" by exposure to...

Wireless News 07-03-2005 Universal Display Reports Breakthrough in Blue Phosphorescent OLEDs WIRELESS NEWS-July 3, 2005-Universal Display Reports Breakthrough in Blue Phosphorescent OLEDs (C)2005 10Meters - http:// www.10meters.com Universal Display, a provider of OLED technology for flat panel displays, lighting and other...

The eerie phosphorescence displayed by a rare form of blue diamond can be used as an easy, cheap, and nondestructive way to identify individual gemstones and to distinguish natural blue diamonds from synthetic ones, analyses suggest. [ILLUSTRATION OMITTED] Phosphorescence, a "glow-in-the-dark"...

The famed Hope Diamond glows a mysterious red when exposed to ultraviolet light, a finding that scientists say can help them "fingerprint" blue diamonds and tell the real ones from the artificial.The phosphorescence comes from boron in the gem, the same element that makes it...

The famed Hope Diamond glows a mysterious red when exposed to ultraviolet light, a finding that scientists say can help them "fingerprint" blue diamonds and tell the real ones from the artificial.The phosphorescence comes from boron in the gem, the same element that makes it...