Great post. I shall find some excuse to work 'batsniffels' in conversation.
And the Historical Introduction should be required reading.
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In 1801 Johann Wilhelm Ritter, a Polish physicist working at the University of Jena in Germany discovered a form of light beyond the violet end of the spectrum that he called “Chemical Rays” and which later became known as “Ultraviolet” light
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People are bioluminescent
Quote:
https://www.nationalgeographic.com › science › article › photographing-the-glow-of-the-human-body
Photographing the glow of the human body - National Geographic
The glow is a rhythmic one, brightening and fading over the course of the day with a peak around 4pm. Kobayashi thinks that this rhythm is driven by an internal body clock, for he managed to...
https://gizmodo.com › how-we-can-use-light-to-see-inside-the-human-body-1686251282...
https://www.sciencealert.com › you-can-t-see-it-but-humans-actually-glow-in-visible-light
You Can't See It, But Humans Actually Glow With Our Own
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https://www.sciencealert.com › you-can-t-see-it-but-humans-actually-glow-in-visible-light
You Can't See It, But Humans Actually Glow With Our Own ...
(Masaki Kobayashi et al) When you hear about bioluminescence, your mind probably jumps to deep-sea creatures like the angler fish, which uses millions of bacteria to make a light appear in front of its head to catch prey and illuminate your nightmares. But what about humans?
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https://www.livescience.com › 7799-strange-humans-glow-visible-light.html
Strange! Humans Glow in Visible Light | Live Science
The human body literally glows, emitting a visible light in extremely small quantities at levels that rise and fall with the day, scientists now reveal. Past research has shown that the...
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