logarithmic scale factor
81Graphical comparison of musical scales and mathematical progressions — This article shows the relationship between harmonic ratios and mathematical progressions. Geometric and arithmetic progressions Figure 1 shows a graph of the geometric and arithmetic progressions from 1 to 2 with an additional line based on… …
82Cosmic inflation — In physical cosmology, cosmic inflation is the idea that the universe passed through a phase of exponential expansion that was driven by a negative pressure vacuum energy density. [Liddle and Lyth (2000) and Mukhanov (2005) are recent cosmology… …
83Dimensional analysis — In physics and all science, dimensional analysis is a tool to find or check relations among physical quantities by using their dimensions. The dimension of a physical quantity is the combination of the basic physical dimensions (usually mass,… …
84Power law — A power law is any polynomial relationship that exhibits the property of scale invariance. The most common power laws relate two variables and have the form:f(x) = ax^k! +o(x^k),where a and k are constants, and o(x^k) is of x. Here, k is… …
85Acid dissociation constant — Acetic acid, a weak acid, donates a proton (hydrogen ion, high …
86Homeopathy — Homeopathy: coined in German from Greek hómoios ὅμοιος like + páthos πάθος suffering Oxford English Dictionary …
87Analog-to-digital converter — An analog to digital converter (abbreviated ADC, A/D or A to D) is an electronic integrated circuit, which converts continuous signals to discrete digital numbers. The reverse operation is performed by a digital to analog converter… …
88Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
89sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …
90Orders of magnitude (length) — Contents 1 Detailed list 1.1 Subatomic 1.2 Atomic to cellular 1.3 Human scale 1.4 …
