Tincho's picture
1093 pencils

I think I dont get it.

How do you get it dark?? What does it say about using natural energy sources?? It doesnt make me look at it... looks boring.

But maybe I just dont get it.

vurtomatic's picture
364 pencils

Because it glows in the dark and doesn't require an external power source? Shrug.

muxa's picture
602 pencils


Luis Maram's picture
Luis Maram
252 pencils

It is clear. First, people see the poster with lights on. When light is turned off, the message appears.

Good job, but it is not new. Philips did it first: http://www.masr.com.mx/philips-posters-glow-in-the-dark/

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