Erina Posted August 10, 2021 Share Posted August 10, 2021 I think that there is a Swiss company that can etch any company logo or text into glass in such a manner that the glass appears clear to the human eye, until light projects the image on to a surface behind it. I just can't find that company, is this real or did I imagine it ? Link to comment Share on other sites More sharing options...
mathematic Posted August 10, 2021 Share Posted August 10, 2021 It's possible. Link to comment Share on other sites More sharing options...
Erina Posted August 11, 2021 Author Share Posted August 11, 2021 Yes, and I don't know where it went, I just can't find it with any keyword searches. The glass looks clear, but the company logo is projected onto the wall. One would have expected the company to better market themselves. I was sure that it was Swiss ? Link to comment Share on other sites More sharing options...
Erina Posted August 11, 2021 Author Share Posted August 11, 2021 (edited) Perhaps Diffractive Optics has something to do with it ? It was Czech : http://rayform.ch/lumieresucree ...actually it was at the EPFL, so it was a Swiss invention after all : https://lgg.epfl.ch/publications/2012/caustics/ArchitecturalCaustics_AAG.pdf Edited August 11, 2021 by Erina Link to comment Share on other sites More sharing options...
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