by Arkesus » Jul 24th, '11, 01:55
OK, various different factors to take into consideration here.
Firstly, the source of light would need to be far away enough that whatever they are attached to is not visible to the naked eye when hit by either the LEDs or natural light, thi means that any lights used will have to be pretty bright in order to be seen from far away.
They would need to be firmly attached to a rigid frame to prevent elements from shifting them out of their positions, thus making the reveal unreadable.
The further away from your vantage point the item is, the higher off the ground it would have to be in order to be in your line of sight of the sky.
All in all, this sounds hideously expensive, though would also make a pretty good marriage proposal if it could be pulled off.
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