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Keyword: nist

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  • What time is it? THIS will tell you...........

    07/30/2013 2:27:31 PM PDT · by Red Badger · 16 replies
    http://www.time.gov/widget.html ^ | Every second | NIST
    http://www.time.gov/widget.html To put it in you blog or web page: http://time.gov/widget/
  • Why Do We Need Leap Days?

    03/03/2012 1:22:50 AM PST · by U-238 · 69 replies
    Life Little Mysteries ^ | 3/2/2012 | Alexey Repka
    Most years, the calendar hops straight from Feb. 28 to Mar. 1. But in almost all years whose numerical value is divisible by four, such as 2012, an extra "leap day" gets tacked on the end of the second month. Cue, today's date: Feb. 29. The extra day must be added to every fourth calendar year in order to keep our Gregorian calendar synchronized with actual astronomical measures of the passage of time. According to the National Institute of Standards and Technology (NIST), the length of Earth's year — as in the time it takes for the planet to complete...
  • Nothing to Worry About: Propaganda Video for Obama's Police-State Internet ID

    04/18/2011 4:20:57 PM PDT · by SquarePants · 6 replies
    RightWire.net ^ | 18 April 2011 | Tax Nomo
    After watching this NIST video, I feel a lot better about the benefits of having all my personal business tied together through a government-administered national internet ID program. We'll all be able to finally get rid of the frustrating inconvenience of forgetting passwords, and replace it with a totalitarian dictatorship that knows our every move. Sounds like a reasonable deal to me. Besides, when the econazi internationalist police state finally starts getting their gulag program off the ground, I sure wouldn't want the authorities to not know where to find me. And I sure wouldn't worry about the security of...
  • How Does an Atomic Clock Work?

    06/26/2010 1:07:05 AM PDT · by ErnstStavroBlofeld · 6 replies · 1+ views
    Life's Little Mysteries ^ | 6/21/2010 | Adam Hadhazy
    Timekeeping can be as simple as counting "one Mississippi, two Mississippi . . ." prior to blitzing in backyard football, or tracking the back-and-forth swings of a pendulum in a grandfather clock. In both cases, the trick is counting the intervals of something that occurs repeatedly with as little variation as possible. A pendulum swing, say, or a 'Mississippi' just about equates to a second, the unit of timekeeping that as we know comprises minutes and hours. But even the best mechanical pendulums and quartz crystal-based clocks develop discrepancies. Far better for timekeeping is the natural and exact "vibration" in...
  • NIST team demystifies utility of power factor correction devices (Useless)

    12/17/2009 7:57:09 AM PST · by decimon · 15 replies · 683+ views
    If you've seen an Internet ad for capacitor-type power factor correction devices, you might be led to believe that using one can save you money on your residential electricity bill. However, a team including specialists at the National Institute of Standards and Technology (NIST) have recently explained* why the devices actually provide no savings by discussing the underlying physics. The devices—sometimes referred to as Amp Reduction Units or KVARs**—are touted as good investments because they reduce the amount of current drawn from power lines while simultaneously providing the necessary amount of current to appliances inside the house. Though engineers elsewhere...
  • Small nanoparticles bring big improvement to medical imaging

    11/22/2009 10:40:46 PM PST · by neverdem · 2 replies · 525+ views
    If you're watching the complex processes in a living cell, it is easy to miss something important—especially if you are watching changes that take a long time to unfold and require high-spatial-resolution imaging. But new research* makes it possible to scrutinize activities that occur over hours or even days inside cells, potentially solving many of the mysteries associated with molecular-scale events occurring in these tiny living things. A joint research team, working at the National Institute of Standards and Technology (NIST) and the National Institute of Allergy and Infectious Diseases (NIAID), has discovered a method of using nanoparticles to illuminate...
  • US government releases smart grid framework

    09/29/2009 2:59:53 AM PDT · by Cindy · 31 replies · 1,518+ views
    SMART METERS.com ^ | Saturday, 26 September 2009 16:27 | n/a
    A 90-page document released by the National Institute of Standards and Technology (NIST) released on September 24 proposes 77 standards for smart grid development. The report also detailed 14 areas that the government agency will prioritize in order to facilitate development. Utilities, regulators, and vendors have been waiting for this release from the NIST. The report details specific standards that utilities and developers will be expected to meet in their smart grid deployment. The institute will continue working on cybersecurity standards which should be released by the end of the year. The NIST began working on a set of standards...
  • Second Round Candidates (new NIST hash function)

    07/25/2009 10:52:27 AM PDT · by antiRepublicrat · 10 replies · 528+ views
    Official comments on the Second Round Candidate Algorithms should be submitted using the "Submit Comment" link for the appropriate algorithm. Comments from hash-forum listserv subscribers will also be forwarded to the hash-forum listserv. We will periodically post and update the comments received to the appropriate algorithm.
  • Standards Set For Energy-conserving LED Lighting

    06/30/2008 9:34:54 PM PDT · by blam · 15 replies · 206+ views
    Science Daily ^ | 7-1-2008 | National Institute of Standards and Technology.
    Standards Set For Energy-conserving LED LightingThese solid-state lights are powered by energy-efficient light emitting diodes and are among the first ones of a new generation expected to cut energy needed for lighting by 50 percent by 2027. (Credit: NIST) ScienceDaily (July 1, 2008) — Scientists at the National Institute of Standards and Technology (NIST), in cooperation with national standards organizations, have taken the lead in developing the first two standards for solid-state lighting in the United States. This new generation lighting technology uses light-emitting diodes (LEDs) instead of incandescent filaments or fluorescent tubes to produce illumination that cuts energy consumption...
  • HDTV choices not all black and white ( Bigger is better )

    05/28/2007 7:39:42 AM PDT · by george76 · 44 replies · 2,150+ views
    rmn...Daily Camera ^ | May 28, 2007 | Todd Neff
    physicist says multiple factors affect picture quality. If you own a high-definition TV, don't read Edward Kelley's new tipsheet for folks in the market for plasma, LCD and other high-end displays. He doesn't want to ruin your day. Kelley is a physicist at the National Institute of Standards and Technology's Flat Screen Display Laboratory in Boulder. He wrote most of what one in the industry called "a bible" for the industrial testing and certification of flat-panel screens. Kelley's tipsheet opens sternly, with an all-caps warning. "SOME PEOPLE HAVE FOUND THAT THE FOLLOWING MATERIAL HAS REDUCED THEIR ABILITY TO ENJOY THEIR...
  • Why NIST did not consider “controlled demolition” hypothesis of the World Trade Center Disaster

    09/08/2006 10:46:06 AM PDT · by WmShirerAdmirer · 33 replies · 2,218+ views
    National Institute of Standards and Technology (NIST) Federal Building and Fire Safety Investigation of the World Trade Center Disaster Answers to Frequently Asked Questions (NIST NCSTAR throughout this document refers to one of the 43 volumes that comprise NIST’s final report on the WTC Towers issued in October 2005. All sections of the report listed in this document are available at http://wtc.nist.gov.) 1. If the World Trade Center (WTC) towers were designed to withstand multiple impacts by Boeing 707 aircraft, why did the impact of individual 767s cause so much damage? As stated in Section 5.3.2 of NIST NCSTAR 1,...
  • NIST Physicists Coax Six Atoms Into Quantum 'Cat' State

    12/03/2005 10:24:55 PM PST · by sourcery · 158 replies · 2,079+ views
    Scientists at the Commerce Department’s National Institute of Standards and Technology (NIST) have coaxed six atoms into spinning together in two opposite directions at the same time, a so-called Schrödinger “cat” state that obeys the unusual laws of quantum physics. The ambitious choreography could be useful in applications such as quantum computing and cryptography, as well as ultra-sensitive measurement techniques, all of which rely on exquisite control of nature’s smallest particles. The experiment, which was unusually challenging even for scientists accustomed to crossing the boundary between the macroscopic and quantum worlds, is described in the Dec. 1 issue of Nature.*...
  • Federal Building and Fire Safety Investigation of the WTC Disaster(must bookmark and read)

    04/14/2005 2:40:13 PM PDT · by finnman69 · 14 replies · 1,922+ views
    Federal Building and Fire Safety Investigation of the World Trade Center Disaster NIST and the World Trade Center The collapse of New York City’s World Trade Center structures following the terrorist attacks of Sept. 11, 2001, was the worst building disaster in recorded history, killing some 2,800 people. More than 350 fire and emergency responders were among those killed, the largest loss of life for this group in a single incident.In response to the WTC tragedy, the National Institute of Standards and Technology is conducting a three-part plan: a 24-month building and fire safety investigation to study the factors contributing...
  • Report: Trade Center Towers May Have Been Structurally Weaker Based on Faulty Wind Tests

    06/18/2004 4:38:49 PM PDT · by nuconvert · 28 replies · 244+ views
    AP ^ | June 17,2004
    Report: Trade Center Towers May Have Been Structurally Weaker Based on Faulty Wind Tests Michael Weissenstein/Associated Press Jun 18, 2004 NEW YORK (AP) - The World Trade Center's designers may have severely underestimated the forces that wind exerted on the twin towers, leading them to design skyscrapers less able to handle the Sept. 11 attacks, a federal report says. Wind tunnel tests conducted as part of litigation over the buildings' collapse found wind loads 20 to 60 percent higher than those found in tests performed during the towers' design in the 1960s, according to the report released Friday by a...
  • Steel not seen as Factor in WTC Collapse

    08/27/2003 3:22:32 PM PDT · by sinkspur · 62 replies · 379+ views
    Associated Press ^ | 8/27/2003
    GAITHERSBURG, Md. (AP) - Early tests on steel beams from the World Trade Center show they generally met or were stronger than design requirements, ruling them out as a contributing cause of the collapse of the towers, federal investigators said Wednesday. Engineers with the National Institute of Standards and Technology have conducted preliminary tests on some of the 236 pieces of steel from the wreckage, said Frank Gayle, who is leading NIST's review of the steel. The tests found that, typical for construction steel used in the 1960s when the World Trade Center was erected, the steel beams exceeded requirements...
  • Burn Rate of World Trade Center Cubicles Key to Probe

    08/26/2003 5:40:10 PM PDT · by sinkspur · 13 replies · 239+ views
    Burn Rate of WTC Cubicles Key to Probe GAITHERSBURG, Md. (AP) - Computers and other office equipment fueled the World Trade Center fires long after the jets that crashed into the towers incinerated, suggesting a need to consider new fire codes for modern office buildings, federal investigators said Tuesday. The National Institute of Standards and Technology, which is investigating the cause of the buildings' collapse on Sept. 11, 2001, recreated the World Trade Center fire in a mock cubicle. Investigators discovered that while the jet fuel and the plane's contents burned up in a matter of minutes, the contents of...
  • Twin towers fireproofing questioned

    05/08/2003 9:12:42 AM PDT · by RJCogburn · 22 replies · 428+ views
    Boston Globe ^ | 5/8/03 | Sara Kugler
    <p>Fireproofing on the steel floor supports in the World Trade Center was never tested and may have been too thin to hold up in a fire for the two-hour minimum set by the city building code, federal investigators said yesterday. The north tower fell about an hour and 45 minutes after terrorists attacked with the first hijacked jetliner on Sept. 11, 2001. The south tower collapsed about an hour after it was struck. Nearly 2,800 people were killed.</p>