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many thanks for the response! I have no idea about chemistry. so these would work: 1. copper chloride + water + current 2. copper nitrate + water + current Any other solution with copper powder? Thanks!

Hello, is it possible to grow copper crystals without copper sulfate? Just by dissolving copper powder into water then applying voltage and current? Or any other way to grow Copper Crystals without using Copper Sulfate? Thanks!

many thanks! I already studied the CCD from wikipedia and youtube

I have a huge appreciation for your answers. Based on these quotes: How exactly is the electron with higher energy physically affecting/continuing in the digital system? many thanks

nice explanation. It helps a lot. Could you please help me with the sequence of events below? photon hits electron ----> electron absorbs photon ---> then up to the digital storage/chemical reaction?

Thanks for the explanation! How is this event triggered exactly? Does not PEE precede it?: I just read this on Wikipedia "Electron excitation is the transfer of a bound electron to a more energetic, but still bound state. This can be done by photoexcitation (PE), where the electron absorbs a photon and gains all its energy" How is PE different from PEE? What is the sequence of events from photons reflected from a photographed surface(for example a stone) to the chemical reaction/ digital storage? many thanks

Thank you all for the responses so far. Can we say then that photography is possible solely because of the photoelectric effect, the latter affecting equally analog photosensitive surfaces and digital photosensitive sensors?

So is it the exact same particle? or just identical?

When I photograph a stone, does the photon that hit the stone get reflected and then hits my photosensitive surface in the camera? Is this the same photon?

Many thanks! One last question for now, is the photon that is reflected from a photographed surface the same as the one that "hits" my photosensitive surface (camera) causing a photoelectric effect?

Thanks so much for the response! May I ask?: How does something without mass can cause perturbation to a photosensitive surface? Is this related to energy? And can we have energy without mass? many thanks

Hello, I am an artist working in the field of photography. I am wondering, is the photoelectric effect considered "physical"? Because I read that photons have no mass... Any explanation or opinion appreciated. I hope I have posted in the right forum.