logarithmic potential
51Diode — Figure 1: Closeup of a diode, showing the square shaped semiconductor crystal (black object on left) …
52Sub-Saharan Africa — Black Africa redirects here. For the Namibian football team, see Black Africa F.C.. Definition of Sub Saharan Africa as used in the statistics of the UN institutions. However, Sudan and South Sudan is classified as North Africa by the United… …
53Dirac delta function — Schematic representation of the Dirac delta function by a line surmounted by an arrow. The height of the arrow is usually used to specify the value of any multiplicative constant, which will give the area under the function. The other convention… …
54Palermo Technical Impact Hazard Scale — The Palermo Technical Impact Hazard Scale is a logarithmic scale used by astronomers to rate the potential hazard of impact of a near earth object (NEO). It combines two types of data mdash;probability of impact, and estimated kinetic yield… …
55Damping ratio — Classical mechanics Newton s Second Law History of classical mechanics  …
56Operational amplifier applications — This article illustrates some typical applications of operational amplifiers. A simplified schematic notation is used, and the reader is reminded that many details such as device selection and power supply connections are not shown. Contents 1… …
57Ocean acidification — Change in sea water acidity pH caused by anthropogenic CO2 between the 1700s and the 1990s Ocean acidification is the name given to the ongoing decrease in the pH and increase in acidity of the Earth …
58Semi Human Instinctive Artificial Intelligence — (SHIAI) is a new Artificial Intelligence methodology, first designed to be used in RoboCup competitions. Nowadays it has been used to resolve many different problems. Overview The goal of SHIAI is to provide robots (or any other intelligent… …
59greenhouse gas — any of the gases whose absorption of solar radiation is responsible for the greenhouse effect, including carbon dioxide, methane, ozone, and the fluorocarbons. [1980 85] * * * ▪ atmospheric science Introduction any gas that has the property of… …
60ear, human — ▪ anatomy Introduction organ of hearing and equilibrium that detects and analyzes noises by transduction (or the conversion of sound waves into electrochemical impulses) and maintains the sense of balance (equilibrium). The human ear, like …
