[Jewelry making - Article 00005] - Re: [Orchid] Lucite Luminous Glow information

[John Burgess]

========[ Invite a Friend - http://www.ganoksin.com/invite.htm  ]========


    g'day if the person who began this thread  did not mean the glow
    provided  by placing the object over some artificial light source
    such as a l.e.d or flashlight bulb,  then some colourless plastics
    can have a small amount of a fluorescent substance dissolved in
    them.   quinine is one of these and ultra violet light falling upon
    it will make it glow an eerie blue. 

    a small amount of fluorescein which is really an intense red will
    give a green glow;  there are many such dyes which can be used with
    clear two pot synthetic resins to fluoresce when illuminated by
    certain light wavelengths.    these wavelengths are absorbed by the
    dye which then re emitssome of the light in a different colour.  
    calcite crystals do this naturally 

    to illustrate this, it is possible to cast some object  containing a
    little of one of these dyes, then cast a ball or block of untreated
    plastic over it.    see it in dim incandescent light  and the
    internal object will be scarcely visible.   allow a ray of sunlight
    to illuminate it, and the internal casting will spring to life. 

    please excuse one handed typing;   no upper case. 

    yes, i am repairing well, regarding the circumstances, but ribs
    still painful.  spend most of the time sleeping.   not allowed out
    without a leash   those of you who saw the show ''cats'' will
    understand when i sing ''oh i'm like a gumby cat that sits upon the
    window shelf and sits and sits and sits..............'' 

    i have received well over 40 'get well' mails;  too many to reply to
    individually, so i here thank y'all  very kindly for your healing
    wishes don't blame the dentist; it was just me dancing the heavy
    fantastic on a concrete step and diving on scungy gravel. 

Cheers for now,
John Burgess;   johnb AT ts.co.nz of Mapua, Nelson NZ


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