Atom
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Atoms are the basic particles of the chemical elements and the fundamental building blocks of matter. An atom consists of a nucleus of protons and generally neutrons, surrounded by an electromagnetica
Scanning tunneling microscope surface reconstruction image showing the individual atoms making up this gold (100) surface. The surface atoms deviate from the bulk crystal structure and arrange in columns several atoms wide with pits between them.
Tree of life by Haeckel
Noble gas
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The noble gases are the members of group 18 of the periodic table: helium, neon, argon, krypton, xenon, radon and, in some cases, oganesson. Under standard conditions, the first six of these elements
Thanks to its characteristic spectral lines, Helium was discovered to exist on the Sun before it was discovered on Earth.
Liquid helium is used to cool superconducting magnets in modern MRI scanners.
Goodyear Blimp
15,000-watt xenon short-arc lamp used in IMAX projectors