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Selenium

Selenium is a non-metallic fundamental that is often used as a semiconductor material, as a rectifier or in xerography. There are three forms. In a translucent form, selenium is metallic gray; in vitreous form, it's black; as a powder, it's red.

In 1873, it was identified that selenium's electrical conductivity varies in response to exposure to light. This discovery meant both that it was possible to convert image data to electrical signals and that the data could be transmitted.

Selenium is used in the glass industry decolorize glass and to make red-colored glasses and enamels. It is used as a catalyst in many synthetic reactions. Selenium is used in solar cells and photocells – in fact the first solar cell was made using selenium. It is also used as a photographic toner.

Selenium is an open-source tool that is used for test computerization. It is licensed under Apache License 2.0. Selenium is a suite of tools that helps inbrutalize only web applications. This tutorial will give you an in-depth understanding of Selenium and its related tools and their usage.