Optics began with the development of lenses
by the ancient Egyptians and Mesopotamians.
Lenses were often polished quartz crystals.
The ancient Romans and Greeks filled glass
...
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Thank you. I like writing an occasional educational poem. Some are in verse, but that takes a lot more time.
Colours! ! With the muse of experiments. Nice work.
Thanks. The prism is wonderful for an instant rainbow effect.