I saw a pocket flashlight in a hardware store yesterday,Checking bills for forgery.
it shines UV. Such a package is new to me.
What is it good for?
And whence the origin of the term 'black light'?You cannot see UV light, so they called it blacklight.
I recall days gone by, the wall posters were popular, is?????
that still in fashion?
--
Rich
I saw a pocket flashlight in a hardware store yesterday,
it shines UV. Such a package is new to me.
What is it good for?
What's inside?
I saw a pocket flashlight in a hardware store yesterday,
it shines UV. Such a package is new to me.
What is it good for? What's inside?
And whence the origin of the term 'black light'?
I recall days gone by, the wall posters were popular, is
that still in fashion?
--
Rich
I saw a pocket flashlight in a hardware store yesterday,
it shines UV. Such a package is new to me.
What is it good for? What's inside?
And whence the origin of the term 'black light'?
I recall days gone by, the wall posters were popular, is
that still in fashion?
--
Rich
On 2019-02-11, rdelaney2001@gmail.com <rdelaney2001@gmail.com> wrote:
I saw a pocket flashlight in a hardware store yesterday,
it shines UV. Such a package is new to me.
What is it good for?
erasing EPROMs.
a UV light emitting diode.
On 2019-02-12, Jasen Betts <jasen@xnet.co.nz> wrote:
On 2019-02-11, rdelaney2001@gmail.com <rdelaney2001@gmail.com> wrote:
I saw a pocket flashlight in a hardware store yesterday,
it shines UV. Such a package is new to me.
What is it good for?
erasing EPROMs.
One would hope not
To erase EPROMS you need the UVC,
a UV light emitting diode.
Could be. Could be a small fluorescent or a filament bulb.
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