Health and environmental consequences of the Chernobyl accident
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Health and environmental consequences of the Chernobyl accident

One of the greatest catastrophes that humanity remembers is the explosion of the Chernobyl nuclear power plant. It happened on April 26th, 1986, at a nuclear power plant officially called the Vladimir Ilyich Lenin Nuclear Power Plant near the city of Pripyat in the USSR (present-day Ukraine). It is the most consequential ecological catastrophe in…

The photoelectric effect easily explained with 2 examples
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The photoelectric effect easily explained with 2 examples

At the end of the last century, a scientist discovered the phenomenon, electron emission from a metal surface when it is illuminated by visible or ultraviolet. The photoelectric effect is the appearance of an electron (photoelectron) erupting from metal by light. To be more precise, the photoelectric effect (photo effect) is the phenomenon that electrons…