Diatoms are tiny single celled algae (green plants) which live in little glass bottles, that is they have a cell wall made of silica. They are objects of particular beauty and quite challenging to produce a good image of, so they have long been a favourite subject of microscopists, especially those interested in optics. I chose this for my profile picture. It is a dark ground image and should appear on your screen at about 1000X magnification: the original will be about 1/10th or 1/20th mm long and barely visible to the naked eye. they are found in all sorts of scummy water, fresh or marine.
This looks good. Hope to see more of this.
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