Bottled Light - Brilliantly Simple, Simply Brilliant.

#3
It has its limitations though. Such as, it only works during the day. It probably isn't effective if you have windows. In a building that has a pitched roof and ceilings, it only illuminates the attic. You'd get more light in through a rooflight - though it may not disperse as well.

Beside that, it's just a cheap version of a light tube and the principle has been around for over 60 years. And it involves making holes in the roof - the bloke says that sealing it in with polyester resin avoids leaks, I say that it'll leak within a year - and within two years the bottle itself will decompose (it took less than 2 months for exposed water bottles to drop to bits during Telic 1/2).

This bloke seems the sort that could sell you an IED-detecting device, working on the water-divining principle, for a mere couple of thousand quid...
 
#11
What I found interesting was the experience in Bangladesh - if the charity fitted them for nothing then the owners failed to carry out any maintenance. If they sold them (price of a bag of rice) then the locals looked after them better because they were valued!!
 
#13
What I found interesting was the experience in Bangladesh - if the charity fitted them for nothing then the owners failed to carry out any maintenance. If they sold them (price of a bag of rice) then the locals looked after them better because they were valued!!
Many people know the price of every thing and the value of nothing! Most equate value with price. I wonder if we put racing stripes and a turbo badge on the bottle would we be able to sell them to them at twice the price as an "Upgrade" ?
 
#14
It has its limitations though. Such as, it only works during the day. It probably isn't effective if you have windows. In a building that has a pitched roof and ceilings, it only illuminates the attic. You'd get more light in through a rooflight - though it may not disperse as well.

Beside that, it's just a cheap version of a light tube and the principle has been around for over 60 years. And it involves making holes in the roof - the bloke says that sealing it in with polyester resin avoids leaks, I say that it'll leak within a year - and within two years the bottle itself will decompose (it took less than 2 months for exposed water bottles to drop to bits during Telic 1/2).

This bloke seems the sort that could sell you an IED-detecting device, working on the water-divining principle, for a mere couple of thousand quid...
As most housing in the Philippines, and probably in the shanties of Brazil is single storey, flat roofed and roofed using wriggly tin this will work well. In the case of the Philippines most people get up at sunrise and go to bed at sunset, so night time lighting is no problem. As for replacements, there is no shortage of empty plastic bottles.
 
#15
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Is it me or does he look like he's in an 18x24 in the picture. Some of those bloody things used to be so full of holes you never even needed to roll the windows up let alone stick bottles of water in them. If this was to become military technology how long before some wag decided to replace the fluid with "one of their own" to vary the light?
 
#17
To avoid making holes in the roof, would it be possible to make a trench type mirror periscope using the bottles(?) and mirrors.

To bring the light in through the side walls.
 
#20
How high do you think his roof is?

I mean I don't want to have a 2l coke bottle dropped on my head from any height, but I'm pretty sure that it wouldn't be much more than mildly annoying if it's only fallen 2 feet.
 

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