computer calculations
101Classification of finite simple groups — Group theory Group theory …
102Fundamental interaction — In physics, a fundamental interaction or fundamental force is a mechanism by which particles interact with each other, and which cannot be explained in terms of another interaction. Overview In the conceptual model of fundamental interactions,… …
103Hydrogen atom — Stable Isotope isotope name = Hydrogen 1 isotope filename = hydrogen 1.png alternate names = protium mass number = 1 symbol = H num neutrons = 0 num protons = 1 abundance = 99.985% mass = 1.007825 spin = ½+ excess energy = 7288.969 error1 = 0.001 …
104Phosphorus — This article is about the chemical element. For other uses, see Phosphorus (disambiguation). silicon ← phosphorus → sulfur …
105Parity (mathematics) — In mathematics, the parity of an object states whether it is even or odd. This concept begins with integers. An even number is an integer that is evenly divisible by 2, i.e., divisible by 2 without remainder; an odd number is an integer that is… …
106Motor oil — For the TV documentary focused on the Edmonton Oilers of the National Hockey League, see Oil Change (TV Series). Motor oil sample Motor oil or engine oil is an oil used for lubrication of various internal combustion engines. The main function is… …
107Sphere packing — In mathematics, sphere packing problems are problems concerning arrangements of non overlapping identical spheres which fill a space. Usually the space involved is three dimensional Euclidean space. However, sphere packing problems can be… …
108Calabash Nebula — Protoplanetary nebula caption= Calabash Nebula name = Calabash Nebula epoch = J2000 ra = RA|07|42|16.83Harv|SIMBAD|2007] dec = DEC| 14|42|52.1 dist ly = 4.2 kly (1.3 kpc)Harv|Kastner|Weintraub|Merrill|Gatley|1998] appmag v = 9.47 size v = 1… …
109Operation Sandstone — Sandstone X Ray Information …
110Arsia Mons — MarsGeo Mount name = Arsia Mons 195px|Image Credit: NASA/MOLA Science Team latitude=9.5 N or S=S longitude=120.5 E or W=W peak = 16 km discoverer = eponym = Latin Arsia Silva classical albedo feature nameArsia Mons is the southernmost of three… …
