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Accepting your own mistake is a difficult thing and apologizing for the same is furthermore difficult. A sincere sorry letter comes right out and says…

Sodium hydroxide is an alkali which is also known as caustic soda. Caustic means “burning” and caustic soda takes its name from the way it…

Stone Balls (or the stone spheres) of Costa Rica are an assortment of over three hundred petrospheres in Costa Rica, located on the Diquís Delta…

Calcium hydroxide, also known as slaked lime, is a chemical compound with the formula Ca(OH)2. It dissolves slightly in water.  It can be dehydrated (remove the water) to…

The Avogadro constant (symbols: L, NA) is the number of particles (usually atoms or molecules) in one mole of a given substance. Its value is equal to 6.02214129(27)×1023 mol−1. It is the number of units in one mole…

The Carnac Stones (Breton: Steudadoù Karnag) are an exceptionally dense collection of megalithic sites in Brittany in northwestern France, consisting of stone alignments (rows), dolmens…

A pyramid (from Greek: πυραμίς pyramís) is one of the most amazing and riveting structures of both ancient and modern history. It was a really…

A relative atomic mass (symbol: Ar) is a measure of how heavy atoms are. It is the ratio of the average mass of one atom…

Magnesioferrite is a magnesium iron oxide mineral, a member of the magnetite series of spinels. It is the mineral magnesium iron oxide, a member of…

The “Mummy’s Curse” first enjoyed worldwide acclaim after the 1922 discovery of King Tutankhamun’s tomb in the Valley of the Kings near Luxor, Egypt. Archeologist…

The history of ancient Egypt occurred as a series of stable kingdoms, separated by periods of relative instability known as Intermediate Periods: the Old Kingdom…

Concept of Tax Taxation is the biggest source of the public revenue of the government. A nation requires sufficient funds to carry out development plans,…