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Electromagnetism


Electromagnetism is one of the four fundamental interactions of nature. The other three are the strong interaction, the weak interaction and gravitation. Electromagnetism is the force that causes the interaction between electrically charged particles; the areas in which this happens are called electromagnetic fields.

 
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United States High-Altitude Test Experiences

By: Herman Hoerlin

Excerpt: The US high-altitude nuclear explosions of the 1955-1962 period are listed chronologically; dates, locations, and yields are given. The major physical phases of the interactions of the weapon outputs with the atmosphere are described, such as the formation of balls at the low high-altitudes and the partition of energies and their distribution over very large spaces at the higher high-altitudes. The effects of these explosions on the normal activities of populati...

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High Power Lasers

By: D. Hammer

Introduction: In Summer 2002, JASON undertook a study for the National Nuclear Security Administration (NNSA) of the prospective scientific value of high energy (HEPW) lasers to the NNSA's Stockpile Stewardship Program (SSP). Our charge was principally to look at the potential value of such lasers to achieving increased understanding of nuclear weapons physics, but with attention paid to the impact of HEPW lasers on unclassified new science, including inertial-confinemen...

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Opportunities at the Intersection of Nanoscience, Biology and Comp...

By: Ellen Williams

Excerpt: Research capabilities in Nanoscience, molecular biology and computation have advanced to the point where it is possible to define research activities in which the development of nano-bio systems will support major DOE science goals. Specifically, we identify two major long term research goals which can motivate research at the intersection of nanoscience and biology: // 1) Development of biological-systems-control for bioremediation, carbon dioxide sequestration...

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Sod Program Support Staff Organization

Introduction: DARPA requested a JASON summer study on Small Unit Operations, with the emphasis to be on the SUO vision of total situational awareness for small ground units, remote commanders and remote weapons systems. Achieving this vision presents enormous technological and system challenges requiring major advances in the means of surveillance, communications, and data processing and management...

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The Great Galactic Treasure Hunt : A Science Fiction Adventure: A ...

By: Ingo Potsch; Ingo Potsch

The Great Galactic Treasure Hunt follows a number of individuals who for some reason or the other didn’t make it in the densely populated, highly civilised worlds of the big states; often consisting of a large number of inhabited planets with many billions of citizen on each world. There, life is safe and orderly, well-regulated, tidy and highly controlled. The vast majority of individuals of all described species lives on such worlds; and they like their life there. Yet...

When the gigantic trans-galactic cargo ship Ostia entered the hyperspace Arcus Stream, it was high noon local time right under it on a planet named Vato Lehibe. She had left the stationary orbit around Vato Lehibe early in the morning. Vato Lehibe was a booming mining planet. Its rock was of a deep red colour and contained high concentrations of aluminium and other metals. As the resources’ deposits began just under the surface, scrap mining was possible and profitable. ...

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Crs Report for Congress Received through the Crs Web Radiofrequenc...

By: Richard M. Nunno

Summary: The radio spectrum, a limited and valuable resource, is used for all forms of wireless communications including cellular telephony, paging, personal communications service, radio and television broadcast, telephone radio relay, aeronautical and maritime radio navigation, and satellite command and control. The federal government manages the spectrum to maximize efficiency in its use and to prevent interference among spectrum users. The National Telecommunications...

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Nanometrology

Technical Reference Publication

Summary: Life in 2015 will be revolutionized by the growing effect of multidisciplinary technology across all dimensions of life: social, economic, political, and personal. Biotechnology will enable us to identify, understand, manipulate, improve, and control living organisms (including ourselves). The revolution of information availability and utility will continue to profoundly affect the world in all these dimensions. Smart materials, agile manufacturing, and nanotech...

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National Manager

By: William E. Odom

Technical Reference Publication

Introduction: In recent years, there has been a tremendous increase in the number of Federal Government personnel using Automated Information Systems (AIS) to help with their jobs. In a large number of cases, the AIS involved are small, microprocessor-based systems referred to as ?Office Automation Systems,? or ?OA Systems,? for short. These OA Systems can increase efficiency and productivity of those whose jobs include such functions as typing, filing, calculating, and ...

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The Fundamentals of Neutron Powder Diffraction

By: John R.D. Copley

Technical Reference Publication

Excerpt: Structure and Properties. Information about the organization of the atoms in materials is essential to any attempt at a detailed understanding of their physical, chemical and mechanical properties. Richard Feynman put it this way (Feynman et al., 1963): ?If they will tell us, more or less, what the earth or the stars are like, and then we can figure it out. In order for physical theory to be of any use, we must know where the atoms are located.? Consider the exa...

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Space Force Grunts : A Science Fiction Adventure, Second, Revised ...

By: Ingo Potsch

Space Force Grunts (Second, Revised Edition) tells the story of soldiers conscripted to defend the Human Alliance, a civilisation that has spread over thousands of worlds after the invention of hyperspace flight. They are fighting an enemy they don't understand in a war they did not choose. Space Grunts is told mainly from the perspective of the rank and file of the Human Alliance ground forces, who face an eminent foe, commanding over far superior means. Space Force Gru...

Base 18 on Planet DN-DU-144/5 was a place that could only be found on detailed military maps. This planet was circling a sun situated at the border between our Local Bubble of stars in the Milky Way and the much bigger Loop 1 Bubble, another assembly of suns and planets. DN-DU-144/5 was the fifth planet in outward direction, when counted from the local star as centre. Base 18 now consisted of a dozen bunkers, a few deep wells and a couple of cisterns appendant to them, a...

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United Nations Security Council

Excerpt: Introduction and salient points // The present report, which is the thirteentha submitted in accordance with paragraph 12 of Security Council resolution 1284 (1999), covers the activities of the United Nations Monitoring, Verification and Inspection Commission (UNMOVIC) during the period from 1 March to 31 May 2003. The present introduction highlights some of the events and experience of the Commission. // During the period under review, the Executive Chairman o...

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Niosh Publications on Video Display Terminals

By: Department of Health and Human Services

SYNONYMS: (1) Nitrobenzol, oil of mirbane (2) o- Methylnitrobenzene, 2-Methylnitrobenzene, 2-Nitrotoluene m-Methylnitrobenzene, 3-Methylnitrobenzene, 3-Nitrotoluene p-Methylnitrobenzene, 4-Methylnitrobenzene, 4-Nitrotoluene (3) p-Chloronitrobenzene, 1-Chloro-4-nitrobenzene, 4-Nitrochlorobenzene, PCNB, PNCB...

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Space Force Grunts : A Science Fiction Novel

By: Ingo Potsch

Space Force Grunts is a Science Fiction novel playing several generations into the future. After the human race has invented hyperspace flight, thousands of planets are colonised. Those new societies maintain their independence until the human race encounters an alien civilisation that also masters space flight and hyperspace travel. Being so very different from the human race, those aliens are at first not even recognised as an eminent civilisation commanding over impre...

Base 18 on Planet DN-DU-144/5 was a place that could only be found on detailed military maps. This planet was circling a sun situated at the border between our Local Bubble of stars in the Milky Way and the much bigger Loop 1 Bubble, another assembly of suns and planets. DN-DU-144/5 was the fifth planet in outward direction, when counted from the local star as centre. Base 18 now consisted of a dozen bunkers, a few deep wells and a couple of cisterns appendant to them, a...

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Naval Ships’ Technical Manual Chapter 420 Navigation Systems, Equi...

Excerpt: Navigation Systems, Equipment And Aids: // Section 1. // Navigation System, General Requirements // 420-1. Organization // 420-1.1. Chapter Organization. Organization of this chapter will follow the general guidelines of the // Expanded Ship’s Work Breakdown Structure (ESWBS) for format. // 420-1.1. ESWBS Sections. The ESWBS sections covered in this chapter are: // a. Navigation System, General Requirements. // b. Non-Electrical/Electronic Navigation Aids. // c....

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Naval Ships’ Technical Manual Chapter 613 Wire and Fiber Rope and ...

Excerpt: General Information. 772-1.1. Purpose. This chapter provides information to personnel of the United States Navy charged with the safe and reliable operation, maintenance and testing of installed cargo and weapons elevator equipment. Related elevator equipment and systems manuals, Ship’s Information Books (SIBs), Elevator Military Specifications (MIL-SPECs), General Specifications for Ships of the United States Navy (GENSPECs), OPNAV Instructions, Ordnance Public...

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