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A Brief History of Chemical Explosives

An explosion can be defined as the rapid expansion of a material or device that exerts a sudden pressure on its surroundings. It can be caused by one of three things: a chemical reaction that occurs during conversion of elemental compounds, a mechanical or physical impact, or a nuclear reaction on the atomic/subatomic level.
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How to Form and Use Possessive Adjectives

Possessive adjectives are used to show ownership of an item or an idea. Possessive adjectives are very similar to possessive pronouns and the two are often confused. Take a look at these examples of possessive adjectives immediately followed by possessive pronouns used in a similar sense. Possessive Adjective Examples My dog is very friendly.
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Intrinsic Property Definition (Chemistry)

In chemistry, an intrinsic property is a property of a substance that is independent of the amount of the substance present. Such properties are inherent qualities of the type and form of matter, mainly dependent on chemical composition and structure. Key Takeaways: Intrinsic Property of Matter An intrinsic property is independent of the size of a sample or the amount of matter that is present.
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Cinnabar, the Ancient Pigment of Mercury

Cinnabar, or mercury sulphide (HgS), ‚Äčis a highly toxic, naturally occurring form of the mercury mineral, which was used in the ancient past for producing a bright orange (vermillion) pigment on ceramics, murals, tattoos, and in religious ceremonies. Cinnabar's Earliest Use The primary prehistoric use of the mineral was grinding it to create vermillion, and its earliest known use for this purpose is at the Neolithic site of Çatalhöyük in Turkey (7000-8000 BC), where wall paintings included cinnabar's vermillion.
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Definition of Double in C, C++ and C#

The double is a fundamental data type built into the compiler and used to define numeric variables holding numbers with decimal points. C, C++, C# and many other programming languages recognize the double as a type. A double type can represent fractional as well as whole values. It can contain up to 15 digits in total , including those before and after the decimal point.
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Biography of Samuel Adams, Revolutionary Activist and Philosopher

Samuel Adams (September 16, 1722-October 2, 1803) played an important philosophical and activist role in early advocating the independence of the North American British colonies, and the eventual founding of the new United States. Fast Facts: Samuel Adams Known For : Important activist, philosopher, and writer during the American Revolution against Great Britain Born : September 16, 1722 in Boston, Massachusetts Parents : Samuel and Mary Fifield Adams Died : October 2, 1803 in Boston Education : Boston Latin School and Harvard College Spouse(s) : Elizabeth Checkley (m.
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