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A photochromic eyeglass lens, part of the lens darkened after exposure to sunlight while the other part remained covered. A photochromic lens is an optical lens that darkens on exposure to light of sufficiently high frequency, most commonly ultraviolet (UV) radiation. In the absence of activating light, the lenses return to their clear state.
Cold showers may also improve mood and energy or mental alertness, which Dr. Rachelle Reed, an exercise physiologist in Athens, Georgia, has experienced, she said. “You sort of feel a little bit ...
The death of Aeschylus, killed by a turtle dropped onto his head by a falcon, illustrated in the 15th-century Florentine Picture-Chronicle by Baccio Baldini [1]. This list of unusual deaths includes unique or extremely rare circumstances of death recorded throughout history, noted as being unusual by multiple sources.
Specky Twat – a boy who suffers bad vision, and wears thick glasses. He often mistakes things for something else. Spoilt Bastard – Real name: Timothy (Timmy) Timpson. A long-running and iconic VIZ strip featuring a horrible, fat, ungrateful and vicious-tongued 6-year-old boy (who never seems to age!) who manipulates his weak-willed mother ...
Yahoo Life asked experts to tackle some of the top myths people still believe about booze — and a few of them may surprise you! ... amount — over 100 glasses! — that it clearly isn’t a ...
The varying texts you come across online and the glare from your screen can contribute to eye strain and can even disrupt your circadian rhythm.
Upside down goggles. Upside down goggles, also known as "invertoscopes" by Russian researchers, [ 1] are optical instruments that invert the image received by the retinas upside down. They are used to study human visual perception, particularly psychological process of building a visual image in the brain. Objects viewed through such a device ...
But some people don't want them, and if you're one of those people, we'll give you the bad news first: "Most people will benefit from glasses at some point in their life," says Dr. Michelle Holmes ...