21st Century U.S. Army Training Manual: Communications - Electronics Fundamentals, Basic Principles of AC/DC Alternating Current and Direct Current (TC 9-60) plus Army Training Circulars (CD-ROM)
GameSetWatch (Free subscription) | 12/04/2009
Having abandoned its episodic platformer Liferaft after working on the project for more than six months (and failing to pick up enough interest/donations on Kickstarter), indie developer Intuition Games is now showing off a smaller but still compelling Flash-based project: Eon . Based on the trailer above, this puzzle game seems like a mix of Auditorium 's stream-sculpting mechanics and Orbital/Orbient...
bharatbook | 12/04/2009
Asia Pacific Smart Grid Opportunity: Analysis and Market Forecasts This report provides an in-depth analysis of the smart grid related developments in Asia Pacific. The report covers various aspects of the smart grid and related technologies such as market sizing, investment scenario analysis and competitive landscape analysis. At the very outset, the report discusses the concept of smart grid and
The Economist (Free subscription) | 12/03/2009
How a boring gadget saved $2 billion-worth of electricity THE dullest bits of the many electronic devices people plug into mains sockets in their houses and offices are the power adaptors. These are boxes that sit between the plug and the device, or are sometimes integrated with the plug. Their job is to convert high-voltage alternating current from the mains into low-voltage direct current for mobile...
MATTER MAGAZINE (Free subscription) | 12/02/2009
American lithium-ion battery producer EnerDel announced today that it will supply the advanced battery systems at the heart of a project integrating the smart grid, electric vehicles and renewable energy technologies in Japan. Located outside Tokyo in Tsukuba City--a hub for scientific R&D--the project involves more than a dozen major partners from around the globe, including Mazda Motor Corporation...
PR News Wire (Free subscription) | 11/30/2009
VISTA, Calif., Nov. 30 /PRNewswire/ -- Enaqua, a leading water purification solutions provider, installed a 50.4kW Direct Current solar power system for its new expansion facility in San Diego. They chose Cenergy Power, a leading commercial solar integrator, to engineer and construct the non-penetrating roof solar array. The system is estimated to produce over 74,000 kWh of electricity annually, which...
FAZED (Free subscription) | 11/30/2009
Bands often have unusual names and here are the origins of some popular bands both past and present. One thing that you will discover if you look into this area is that RUMORS abound! If we cannot confirm an origin, we have given alternatives found in other sources. Some entries contain links to useful band information. Comments
Environmental Leader (Free subscription) | 11/27/2009
By the end of the year, the levelized cost of adding solar should be about half what it was in 2008, according to new analysis by New Energy Finance. The 50 percent drop in levelized solar costs compares to about a 10 percent drop in levelized costs for other forms of renewable energy. The levelized cost [...]
SubmitYOURArticle.com (Free subscription) | 11/26/2009
Article by John Greenspan. When you buy solar panels, there are various factors to look out for that makes your investment pay off. Among the important criteria, type of photovoltaic panel, brand and specification are the most important.
PR News Wire (Free subscription) | 11/25/2009
NEW YORK, Nov. 25 /PRNewswire/ -- Reportlinker.com announces that a new market research report is available in its catalogue:
GuruFocus Updates (Free subscription) | 11/24/2009
By insider. President and CEO of Power Integrations Inc. ( POWI ) Balu Balakrishnan sells 13,000 shares of POWI on 11/23/2009 at an average price of $34.91 a share. Read more » »
bharatbook | 11/21/2009
Global Superconducting Magnetic Energy Storage Systems (SMES) Market 2008-2012 Superconducting Magnetic Energy Storage Systems (SMES) are devices that are capable of storing energy in the magnetic field (The magnetic field is created by the flow of direct current in a superconducting coil, which has been cryogenically cooled to a temperature below its superconducting critical temperature). The SMES
Alternative Energy HQ (Free subscription) | 11/20/2009
In this article we will discuss some themes related to different types of constructions used to produce solar power. We will begin from the grid-tied systems. A utility-interactive solar power system makes electricity, which is put directly to the grid. The word grid-tied means, that the system is tied, verbatim, to the grid. This system will accumulate the energy even when you are absent, when you...
CrunchGear (Free subscription) | 11/19/2009
Sanyo is already being considered Japan's "greenest" brand in the consumer electronics field (which is the main reason Panasonic is about to acquire the company ), but them building complete, eco-friendly buildings is certainly new. Sanyo Homes [JP], a wholly-owned subsidiary, will start marketing all-electric homes with lithium ion batteries providing back up power to Japanese customers...
Providence Journal (Free subscription) | 11/17/2009
By Katherine Gregg PROVIDENCE, R.I. - With state officials finally coming to grips with the ballooning size of the state's potential deficits this year and next, Department of Administration director Gary S. Sasse has issued a memorandum titled: "immediate freeze on state hiring.'' It is not yet clear how this is different from the earlier hiring restraints announced by the Carcieri administration....
SlashGear (Free subscription) | 11/17/2009
We all love a sandwich, but how often does your sandwich light up from power it has collected itself? If you’re chowing down on a prototype from the Florida Energy Systems Consortium then it might just do that (though probably not tasting particularly good in the process): they’re working on the idea of layered OLED and solar-cell panels , which would capture sunlight during the day and...
The 3 latest articles published by users on Direct Current :
bharatbook | 12/04/2009
Asia Pacific Smart Grid Opportunity: Analysis and Market Forecasts This report provides an in-depth analysis of the smart grid related developments in Asia Pacific. The report covers various aspects of the smart grid and related technologies such as market sizing, investment scenario analysis and competitive landscape analysis. At the very outset, the report discusses the concept of smart grid and
bharatbook | 11/21/2009
Global Superconducting Magnetic Energy Storage Systems (SMES) Market 2008-2012 Superconducting Magnetic Energy Storage Systems (SMES) are devices that are capable of storing energy in the magnetic field (The magnetic field is created by the flow of direct current in a superconducting coil, which has been cryogenically cooled to a temperature below its superconducting critical temperature). The SMES
pradahandbag | 09/12/2009
Solar Car Battery Chargers Can Prolong the Life of Your Cars As environmental problems generate more and more concern, interest in using electricity and solar energy to power cars grows. In order to understand the solar battery charger , you need to understand how a car battery functions. A car battery stores energy and supplies...
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