What you’re looking at is an installation by Gebhard Sengmüller called “A Parallel Image.” Technically, it’s art, but it’s more of an interesting deconstruction of technology than anything else. Instead of transmitting a video signal digitally via HDMI or VGA, this contraption does it in analog: 2500 photoconductors in an array, individually wired to 2500 bulbs on the other side. The result is that anything shone on one side appears on the other by a simple and entirely physical process.
It’s ridiculously inefficient in one way, yet almost as elegant as possible in another. And as you can imagine, it’s not very high resolution. 2500=50 x 50, so it’s got about the same amount of pixels as an area the size of a quarter on whatever screen you’re reading this on. Not something I’d want to read blogs with, but it does transmit that projector image pretty well.
[via Hack a Day]
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