We have some idéas on how to approach the problem. Water has come to be one of our favourite subjects. You can use water as a lense, to create refraction, but also to create effects with color. You can put lenses and other things that bend light into the water and get interesting results.
A way to emphasize contrast could be to project light through bars (or any shape) on a picture, so that only some areas become brighter. This would give the image an artificial contrast. It would show the difference between enlightened and darker areas, and thus create contrast.
You could also transpose the ageing of light to sound, which wouldn't give exactly the same result as the ageing of sound itself.
After talking to Antonio today we decided to look att ageing through a camera. We've tried to recreate age diseases as catarct by putting different pieces of plastic in front of the camera. You can actually get decent results when it comes to halo effects and generally blurred vision. The problem is, while working with plastics, there is no way to reverse the aging effects without using photoshop. And even if we used photoshop, we wouldn't be able to recreate the original image, although we could probably enhance it somewhat. We might be a bit stuck again, since the experiment gave no clear results. We would have liked to use lenses instead, to be able to reverse the damage made from other lenses. This would have given us the opportunity to take pictures both with the damaging lense, both of the lenses (damaging and correcting, which would have given an ok image), and only the correcting lense. Both of the lenses alone would give a "wrong" picture. Although the correcting lense alone would make it right, in a way. Confused? Yeah, we're not really clear about that concept eithter.
Something else we've learned is that when stuck, it's best to take a couple of steps back, and start working again. If you don't do this, you only increases the frustration.
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