Some cool light in a vacuum images:
Absorbing Reflection
Image by Stefan Thiesen
This is my good old self reflected in the absorber of a Wagner & Co EURO C20 solar collector with anti reflective glass coating. Pooh. It is an unsystematic snapshot made in our company's photoroom where we usually photograph products for catalogues etc. The "blue shine" effect comes from the highly selective vacuum coating of the absorber. The visible copper stripes result from the ultrasonic
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