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Index > Heap > electroluminescent glue to close mail envelope

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edfed



Joined: 20 Feb 2006
Posts: 4237
Location: 2018
edfed
tonight, i opened my mailbox, and found an envelope, i opened it in the darkness, and surprizinglly, it emitted light. a little light, i will just stop now to write this message just to verify it again, and i come back.

hi again, i confirm the result, and the stronger the eneloppe is closed, the brighter is the light emitted by the opening.

if you have something like a white enveloppe, with a glue band, just try it in the night...

i think the phenomenom would be quite hard to capture on a webcam.
Post 02 Aug 2011, 01:06
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revolution
When all else fails, read the source


Joined: 24 Aug 2004
Posts: 17269
Location: In your JS exploiting you and your system
revolution
And here is a dog that glows in the dark:

http://www.reuters.com/article/2011/07/27/us-korea-dog-idUSTRE76Q1MK20110727

Some pictures:

http://www.geekosystem.com/glowing-dog/

Lots of things produce light but often we are not able to see it due to many factors.
Post 02 Aug 2011, 01:11
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JohnFound



Joined: 16 Jun 2003
Posts: 3500
Location: Bulgaria
JohnFound
It is known effect - Triboluminescence
In the article you can read a line about mail envelopes.
Post 02 Aug 2011, 07:15
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