local gap space
71Digital Enhanced Cordless Telecommunications — The base unit and handset of a British Telecom DECT cordless telephone Digital Enhanced Cordless Telecommunications (Digital European Cordless Telecommunications), usually known by the acronym DECT, is a digital communication standard, which is… …
72Hastings — For other uses, see Hastings (disambiguation). Coordinates: 50°51′N 0°34′E / 50.85°N 0.57°E / 50.85; 0.57 …
73Van Allen radiation belt — Van Allen radiation belts The Van Allen radiation belt is a torus of energetic charged particles (plasma) around Earth, which is held in place by Earth s magnetic field. It is believed that most of the particles that form the belts come from… …
74Radio — is the transmission of signals, by modulation of electromagnetic waves with frequencies below those of visible light.Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of… …
75cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …
76Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
77Vietnam War — Part of the Cold War and the Indochina Wars …
78Mexico — This article is about the country in North America. For other uses, see Mexico (disambiguation). United Mexican States Estados Unidos Mexicanos  …
79Timeline of STS-121 — This is the timeline for STS 121, the mission to the ISS.AboutThe shuttle was docked to the ISS for the majority of the flight. For much of the time the shuttle was at the ISS the Multi Purpose Logistics Module Leonardo was mated and accessible… …
80animal learning — ▪ zoology Introduction the alternation of behaviour as a result of individual experience. When an organism can perceive and change its behaviour, it is said to learn. That animals can learn seems to go without saying. The cat that… …
