shielding factor
61Community — For other uses, see Community (disambiguation). A community of interest gathers at Stonehenge, England, for the summer solstice. The term community has two distinct meanings: a group of interacting people, possibly living in close proximity, and… …
62Electron — For other uses, see Electron (disambiguation). Electron Experiments with a Crookes tube first demonstrated the particle nature of electrons. In this illustration, the profile of the cross shaped target is projected against the tube face at right… …
63Ultraviolet — UV redirects here. For other uses, see UV (disambiguation). UVB redirects here. For the mysterious shortwave radio station in Russia, see UVB 76. For other uses, see Ultraviolet (disambiguation). False color image of the Sun s corona as seen in… …
64Rad (unit) — The rad is a unit of absorbed radiation dose. The rad was first proposed in 1918 as that quantity of X rays which when absorbed will cause the destruction of the malignant mammalian cells in question... [1] It was defined in CGS units in 1953 as… …
65Hans Alfred Nieper — Dr. Hans Alfred. Nieper (1928 1998) was a famous German physician, physicist and widely respected cancer specialist (oncologist) who was a pioneer in creating gene repairing and gene extinguishing substances for cancer. Dr. Hans Nieper was the… …
66intelligence — /in tel i jeuhns/, n. 1. capacity for learning, reasoning, understanding, and similar forms of mental activity; aptitude in grasping truths, relationships, facts, meanings, etc. 2. manifestation of a high mental capacity: He writes with… …
67UNITED STATES OF AMERICA — UNITED STATES OF AMERICA, country in N. America. This article is arranged according to the following outline: introduction Colonial Era, 1654–1776 Early National Period, 1776–1820 German Jewish Period, 1820–1880 East European Jewish Period,… …
68Black Death — ), [ [http://www.pasteur.fr/actu/presse/press/07pesteTIGR E.htm Researchers sound the alarm: the multidrug resistance of the plague bacillus could spread] ] but recently attributed by some to other diseases.The pandemic is thought to have begun… …
69Nuclear thermal rocket — Sketch of nuclear thermal rocket …
70Asymmetric warfare — originally referred to war between two or more belligerents whose relative military power differs significantly. Contemporary military thinkers tend to broaden this to include asymmetry of strategy or tactics; today asymmetric warfare can… …
