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The Chernobyl disaster began on 26 April 1986 with the explosion of the No. 4 reactor of the Chernobyl Nuclear Power Plant near the city of Pripyat in...

Visual Studio is an integrated development environment (IDE) developed by Microsoft. It is used to develop computer programs including websites, web apps...

Principal component analysis (PCA) is a linear dimensionality reduction technique with applications in exploratory data analysis, visualization and data...

The 12-hour clock is a time convention in which the 24 hours of the day are divided into two periods: a.m. (from Latin ante meridiem, translating to "before...

Dextromethorphan (DXM), sold under the trade name Robitussin among others, is a cough suppressant used in many cough and cold medicines. It affects serotonin...

The embryophytes (/ˈɛmbriəˌfaɪts/) are a clade of plants, also known as Embryophyta (/ˌɛmbriˈɒfətə, -oʊˈfaɪtə/) or land plants. They are the most familiar...

Pseudomonas aeruginosa is a common encapsulated, Gram-negative, aerobic–facultatively anaerobic, rod-shaped bacterium that can cause disease in plants...

The Portable Operating System Interface (POSIX; IPA: /ˈpɒz.ɪks/) is a family of standards specified by the IEEE Computer Society for maintaining compatibility...

Videotelephony (also known as videoconferencing or video call) is the use of audio and video for simultaneous two-way communication. There are many terms...

Aluminium oxide (or aluminium(III) oxide) is a chemical compound of aluminium and oxygen with the chemical formula Al2O3. It is the most commonly occurring...

Wrought iron is an iron alloy with a very low carbon content (less than 0.05%) in contrast to that of cast iron (2.1% to 4.5%). It is a semi-fused mass...

Smoking is a practice in which a substance is combusted and the resulting smoke is typically inhaled to be tasted and absorbed into the bloodstream of...

A sedative or tranquilliser is a substance that induces sedation by reducing irritability or excitement. They are CNS depressants and interact with brain...

Active Directory (AD) is a directory service developed by Microsoft for Windows domain networks. Windows Server operating systems include it as a set of...

The Dassault Mirage 2000 is a French multirole, single-engine, delta wing, fourth-generation jet fighter manufactured by Dassault Aviation. It was designed...

Timber framing (German: Fachwerkbauweise) and "post-and-beam" construction are traditional methods of building with heavy timbers, creating structures...

A semiconductor device is an electronic component that relies on the electronic properties of a semiconductor material (primarily silicon, germanium, and...

Plymouth was a brand of automobiles produced by Chrysler Corporation and its successor DaimlerChrysler. The brand was launched in 1928 to compete in what...

A proportional–integral–derivative controller (PID controller or three-term controller) is a control loop mechanism employing feedback that is widely used...

Grief is the response to the loss of something deemed important, particularly to the loss of someone or some living thing that has died, to which a bond...