Selmbrinka

10 Types of Luminescence (including rare and overlapping types)

10 types of luminescence

Luminescence is the property of a material to glow with its own light, but there are many types of luminescence with their own mechanisms of action. The word comes from the root lumen, meaning light. Often the light given off comes from absorbed light prior, but other times the light can come from the inner […]

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Chronostasis: The Stopped Clock Illusion and Other Temporal Illusions

We have talked about optical illusions and temporal perception, now we’ll learn about temporal illusions too, such as “chronostasis”. Many are familiar with phrases like “time stands still” or “frozen in time.” But how real is this distorted perception of time stopping, and what can trigger it? Our sense is time is just as measurably

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Strasbourg Dancing Plague of 1518: The Most Famous Dance of Death

In this article I attempt to synthesize all the the details only about the Strasbourg dancing plague of 1518. Since there are many dancing plagues throughout 700-1700 AD as well as many diverse theories on the origin of the phenomenon in general, this article fixates solely on the facts of one specific, most famous instance.

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Examples of Fluorescence in Nature That Will Brighten Your Mind

Fluorescence seems like technology, but we actually have a lot of fluorescence in nature too. Fluorescence in the animal world can be important signals vital to the species. In stones, fluorescence is due to impurities and inclusions, or, in fluorite, one of the main features defining the rock. How did we get Fluorescence in Nature?

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