h a l f b a k e r yNot so much a thought experiment as a single neuron misfire.
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Phosphors exist in different types. All absorb energy when
available, and release energy later. The main difference is how
quickly they release the absorbed energy.
For a purse/handbag, which is usually closed and therefore
doesn't
allow energy (like sunlight) to enter, we might need a trick
like
glowing tritium, to produce energy (fairly steadily for years,
and chemically tritium is hydrogen that could be part of a
hydrocarbon plastic liner)
that
the bag lining could absorb. Or we might have a UV light and a
battery-- the owner presses a button before opening the bag,
which illuminates the bag lining so it can absorb energy. The
lining then releases energy so the user can more-easily see the
contents of the opened bag.
The obvious alternative to this Idea is a bag with a built-in
flashlight, that is turned on automatically when the bag is
opened.
But that is too easy for the HalfBakery! (Except a couple links
below indicate that that didn't prevent folks from posting that
idea, anyway.)
This person lights up a LED from the enrgy of a crystal radio, so it is radio station powered light
https://www.youtube...watch?v=gcui0K7JZXA
[beanangel, Jan 06 2017]
(?) The baglite
The_20baglite
Prior Art [8th of 7, Jan 06 2017]
Purse Light
Purse_20Light
Prior Art [8th of 7, Jan 06 2017]
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Annotation:
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there might be away to make this work. I have actually seen a crystal antenna coil that draws energy from the air (basically EM from radio stations) to power 1 LED. so have the purse obtain power this way, store it at a battery, then magnificently illuminate the purse at battery powered high brightness when opened. |
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One of these on youtube has a huge 25 meter antenna though. I do not think purse straps would do it. I do not know what a zigzag 50cm on a side 25 m long antenna would do. |
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Also I like the UV led idea because actual phosphorescence is groovier |
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The clasp could fire a UV flash tube to activate the phosphorescent lining as the bag is opened. Gears on the opening hinge could power a small generator to recharge the flash tube battery. |
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^ yes, but then you'd temporarily blind anything living in there... which could be a good or bad thing. |
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The problem is that you really don't want to see what a lady accumulates in her handbag. Even she does not really want to see it. |
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Wait - is "handbag" a euphemism here? If so, I may have to reappraise this entire idea. And if it isn't, there is another idea to be posted... |
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Solar powered version for the outdoor set ? |
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The bag was large enough to hold a small child and I thought i heard crying. |
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