Science

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 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…

An atomic mass unit (abbreviated: amu, u, or Da) is a unit of measurement that is used to measure the mass of atoms. The atomic…

“Ħaġar Qim” (Maltese pronunciation: [ħadʒar ˈʔiːm]; “Standing/Worshipping Stones”), is a megalithic temple complex, which is located on the southwest coast on the Mediterranean island of…

The atomic number (symbol: Z) of an atom is the number of protons in the nucleus of the atom. Atoms of each element contain a…

Atomic orbitals are the places surrounding the nucleus of an atom where the electrons are most likely to be at any given time. They are the…

Atomic Nucleus The atomic nucleus is a tiny massive entity at the center of an atom. It is the central area of the atom. It…

“Palenque” (Spanish pronunciation: (pa’leŋke); Yucatec Maya: Bàakʼ /ɓàːkʼ/), also anciently known as Lakamha (literally: “Big Water”), was a Mayan city of the Late Classic Period…