The Luminescence Of Black Light
Beginning of paper
Black Light. What is it? It is a portion of the Ultra-Violet Spectrum
that is invisible to our eyes. We can not distinguish it. However, when this
radiation impinges on certain materials visible light is emitted and this is
known as "fluorescence." Fluorescence is visible to the human eye, in that it
makes an object appear to "glow ....
Middle of paper
.... spectrum, we have a transient light phenomenon. Ultra-violet light is an
exciting agent which causes luminescence to occur.
There are many materials which exhibit fluorescent characteristics.
Many of which are even organic. Teeth, eyes, some portions of the skin, and
even blood exhibit fluorescent qualities. Naturally occurring minerals such as:
agate, calcite, chalcedony, curtisite, fluorite, gypsum, hackmanite, halite,
opal scheelite, and ....
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Number of words: 442
Number of pages: 2 (approx. 250 words per double-spaced page)
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