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Keyword: atom

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  • Core Concept: Atom interferometry (May help scientists figure out what dark matter is, etc.)

    10/08/2015 6:26:20 PM PDT · by LibWhacker · 6 replies
    PNAS ^ | Oct 2015 | Maggie McKee
    Sometimes you have to think outside the box. Faced with some of the universe’s most stubborn mysteries, such as the identity of dark matter, physicists are turning to a technique that employs the weird laws of quantum mechanics: atom interferometry. Atom interferometers allow the study of various physical phenomena by splitting atom waves using a nanograting, such as this one. Composed of silicon nitride, this grating, imaged with a scanning electron microscope, has a period of 100 nm. Image courtesy of Alex Cronin (University of Arizona, Tucson, AZ). This method, which takes advantage of the fact that quantum particles behave...
  • The Chameleon in the Vacuum Chamber (physics, dark energy)

    01/14/2015 10:38:37 PM PST · by LibWhacker · 10 replies
    The Chameleon in the Vacuum Chamber A new proposal for an experiment that could test the presence of a fifth force with unprecedented precision. It still amazes me that everything I see is made up of only some few dozen particles and four interactions. For all we know. But maybe this isn’t all there is? Physicists have been speculating for a while now that our universe needs a fifth fundamental force, one responsible for the phenomenon of dark energy, to maintain the observed expansion rate. Although this idea has been around for more than a decade, it has turned...
  • Do Atoms Ever Touch? (video)

    08/05/2014 6:10:16 AM PDT · by servo1969 · 34 replies ^ | 8-5-2014 | Sixty Symbols
    Professor Philip Moriarty expresses his displeasure with oft-repeated belief that atoms do no physically touch each other.
  • History Channel New Propaganda Tool for Oliver Stone's Rewrite of History

    12/02/2012 7:09:51 PM PST · by winner3000 · 35 replies
    Self ^ | 12/2/2012 | Self
    I just listened to yet another disturbing piece of propaganda by Oliver Stone, the Untold History of the United States. It is about the dropping of the atom bomb on Hiroshima and Nagasaki. As can be expected in a good leftist piece of propaganda, the point made is that the US was the bad guy (including Truman) , who bamboozled poor Japan and Poor USSR during that time. The horrible US dropped 2 atomic bombs on Japan, knowing that Japan was going to surrender without its use within a couple of weeks anyway. Then the laughably improbably logical gymnastics come...
  • AMD's Hondo Z-Series APU To Challenge Intel's Atom In Windows 8 Tablet Market

    10/09/2012 12:38:48 PM PDT · by Ernest_at_the_Beach · 3 replies ^ | Tuesday, October 09, 2012 | Joel Hruska
    AMD is launching its first tablet-optimized APU today, in a bid to challenge Intel's de facto dominance of the Windows 8 tablet market. Dubbed Hondo, the new Z-60 draws less power than any Brazos-based part AMD has launched before. Some of you may remember that AMD launched a tablet processor last year, but the Z-01 -- codenamed Desna -- was an ordinary Brazos core that binned well enough to run within a lower power envelope. It was more a proof-of-concept chip, meant to demonstrate that AMD could, and would, compete in the tablet market. Hondo, in contrast, is a new...
  • Researchers Create Single-Atom Transistor

    02/20/2012 11:43:03 AM PST · by Ernest_at_the_Beach · 33 replies · 2+ views
    HardOCP ^ | Monday February 20, 2012 | Steve
    For those of you that haven't seen this yet, Researchers from Purdue, the University of Melbourne and the University of New South Wales have created a working transistor from a single atom. Thanks to Robert for the link. We have fabricated a single-atom transistor in which a single phosphorus atom is positioned between highly doped source and drain leads with a lateral spatial accuracy of ±1 atomic lattice spacing. We demonstrate that we are able to register source, drain and gate contacts to the individual donor atom and observe well-controlled transitions for 0, 1 and 2 electron states, in agreement...
  • Swedish man caught trying to split atoms at home

    08/03/2011 10:11:19 AM PDT · by KingofZion · 49 replies
    San Francisco Chronicle ^ | August 3, 2011 | AP
    A Swedish man who was arrested after trying to split atoms in his kitchen said Wednesday he was only doing it as a hobby. Richard Handl told The Associated Press that he had the radioactive elements radium, americium and uranium in his apartment in southern Sweden when police showed up and arrested him on charges of unauthorized possession of nuclear material. The 31-year-old Handl said he had tried for months to set up a nuclear reactor at home and kept a blog about his experiments, describing how he created a small meltdown on his stove. Only later did he realize...
  • Intel @ MWC 2011: Atom-Based Medfield SoC Now Sampling, Low-Power LTE Modems In 2012

    02/15/2011 9:35:13 AM PST · by Ernest_at_the_Beach
    Anandtech ^ | 2/14/2011 8:00:00 AM | Ryan Smith
    Though we still like to think of Intel first and foremost as a computer CPU company, the fact of the matter is the company is trying its hardest to expand their horizons. Among their expansion efforts are a push in to the smartphone space, and to further that Intel is at Mobile World Congress 2011 making their latest smartphone-related announcements. The first announcement, and of course the one nearest and dearest to our hearts, is on the CPU side of things. Medfield – Intel’s next-generation Atom-based smartphone SoC is now sampling and will ship later this year. Intel still hasn’t...
  • Winter, repairs stall atom smasher until spring (quasar created?, scientist scared!?)

    09/26/2008 5:42:03 AM PDT · by Tulsa Ramjet · 14 replies · 1,076+ views
    Associate Press ^ | Tuesday, September 23, 2008 | ALEXANDER G. HIGGINS
    GENEVA — Scientists will have to wait until spring to use the world's biggest particle collider for groundbreaking research because repairs to damage will run into the laboratory's normal winter shutdown, the operators said Tuesday. The European Organization for Nuclear Research earlier said an electrical failure Friday, nine days after the collider was first started, released a large amount of liquid helium into the tunnel. Experts have gone into the 17-mile circular tunnel housing the Large Hadron Collider to check on damage caused when an electrical connection between two magnets apparently melted, said James Gillies, spokesman for the organization, which...
  • Atom-smashing lab says experiment to start end-June [scofs at fear of black hole destroying Earth]

    05/27/2008 12:53:48 PM PDT · by Brilliant · 32 replies · 295+ views
    AP via Yahoo! ^ | 5/27/08 | AFP
    European particle physics laboratory CERN is set to launch its gigantic experiment which hopes to throw light on the origins of the universe within a month, the laboratory's head said Tuesday. If things go according to plan, the greatest experiment in the history of particle physics could unveil a sub-atomic component, the Higgs Boson, known as "the God Particle." The "Higgs," named after the eminent British physicist, Peter Higgs, who first proposed it in 1964, would fill a gaping hole in the benchmark theory for understanding the physical cosmos. Other work on the so-called Large Hadron Collider (LHC) could explain...
  • Iran Making 'Wireless Atomic Energy' Not Nuke Missiles

    05/27/2008 9:42:42 AM PDT · by Dawnsblood · 23 replies · 90+ views
    Scrappleface ^ | 5/27/08 | Scott Ott
    Iranian President Mahmoud Ahmadinejad, in response to an International Atomic Energy Agency (IAEA) report accusing his government of withholding information about its nuclear program, today suggested that Iran may be pioneering development of “wireless atomic energy” that could “ultimately end dependence on oil” in some countries. The IAEA report alleges that Iran has refused to explain its work on explosives, uranium enrichment and missile warhead design, however, Mr. Ahmadinejad continues to assert his nation’s right to develop nuclear power for peaceful purposes. “The American puppets see our warheads, explosives and enriched uranium and they immediately think ‘bombs’,” said the Iranian...
  • Atom Smasher May Give Birth To 'Black Saturns'

    02/13/2007 4:06:14 PM PST · by blam · 18 replies · 617+ views
    New Scientist ^ | 2-13-2007 | Stephen Battersby
    Atom smasher may give birth to 'Black Saturns' 20:18 13 February 2007 news service Stephen Battersby If we ever make black holes on Earth, they might be much stranger objects than the star-swallowing monsters known to exist in space. According to a new theory, any black hole that pops out of the Large Hadron Collider under construction in Switzerland might be surrounded by a black ring – forming a microscopic "black Saturn". A black hole and a black ring can co-exist, in theory, as long as they are set spinning, say Henriette Elvang of MIT in Cambridge, US, and...
  • Iran Still "2-3 Years" From Atom Bomb

    01/31/2007 10:57:20 AM PST · by blam · 21 replies · 557+ views
    Scotsman ^ | 1-31-2007 | Mark Trevelyan
    Iran still "2-3 years" from atom bomb By Mark Trevelyan Wed 31 Jan 2007 Iran's President Mahmoud Ahmadinejad speaks to parliamentarians before presenting his proposed budget in Tehran January 21, 2007. Iran is at least two to three years away from being able to produce a nuclear weapon, a leading global think-tank said on Wednesday. REUTERS/Raheb Homavandi LONDON (Reuters) - Iran is at least two to three years away from being able to produce a nuclear weapon, a leading global think-tank said on Wednesday. But the International Institute for Strategic Studies said pressure on the United States to stop the...
  • Atom spied interfering with electron flow

    11/28/2006 8:10:33 PM PST · by annie laurie · 10 replies · 696+ views
    NewScientistTech ^ | 27 November 2006 | Will Knight
    An individual "dopant" atom has been spied interfering with the flow of electrons through a silicon transistor for the first time. Researchers say the feat could help scientists squeeze more power out of conventional computers and ultimately develop silicon-based quantum computers. Dopants are chemical impurities that affect the flow of electrons through a conducting or semiconducting material. They are deliberately added to pure silicon, for example, to create different types of electronic component. To analyse a lone dopant atom in action, Sven Rogge and colleagues at Delft University of Technology in the Netherlands cryogenically cooled 35-nanometre-wide silicon wires, taken from...
  • Superheavy element 118 is discovered

    10/16/2006 6:10:03 PM PDT · by annie laurie · 56 replies · 2,098+ views
    ScienceDaily ^ | 10/16/06 | UPI
    LIVERMORE, Calif., Oct. 16 (UPI) -- U.S. and Russian scientists say they have discovered the newest superheavy element -- element 118. The researchers from the U.S. Department of Energy's Lawrence Livermore National Laboratory and from the Joint Institute for Nuclear Research in Russia made the announcement Monday. In experiments conducted at the JINR U400 cyclotron from February-June 2005, the researchers said they observed atomic decay patterns, or chains, that establish the existence of element 118. In these decay chains, previously observed element 116 is produced via the alpha decay of element 118. Element 118 is expected to be a noble...
  • Bibi Says Bush Will Cowboy Up On Iran

    09/08/2006 4:42:12 AM PDT · by shrinkermd · 30 replies · 1,496+ views
    Captain's Quarters Blog ^ | 8 September 2006 | Edward Morrissey
    Bibi Says Bush Will Cowboy Up On Iran Benjamin Netanyahu paid a visit to New York, hoping to build support in America for a bid to replace Ehud Olmert as Israel's Prime Minister. As part of that effort, he gave a speech last night in which he told the audience that George Bush has just about run out of patience with international diplomacy regarding the Iranian nuclear program: Benjamin Netanyahu, as part of an American tour repositioning himself for a return to the Israeli premiership, told an audience in New York today that President Bush is preparing to ditch the...
  • When Clever Gets Dumb - Washington’s Iran deal is an exercise in futility.

    08/17/2006 8:44:31 AM PDT · by humint · 14 replies · 659+ views
    NRO ^ | Henry Sokolski
    Although it’s not widely appreciated, the nuclear deal Washington is currently dangling before Iran to entice it to halt its declared uranium-enrichment program is a cure nearly as awful as the disease. To be sure, Iran’s enrichment effort, if unchecked, could bring Tehran within days of acquiring a bomb. But Washington’s latest overture to Tehran—offering advanced large nuclear reactors, hundreds of tons of lightly enriched uranium, and a pass on Iran’s violation of the Nuclear Nonproliferation Treaty—will only make it tougher to toe a hard line against Iran later this fall. And it could literally blow up in our faces...
  • Atom

    04/05/2006 12:01:54 AM PDT · by Irreverent · 6 replies · 403+ views
    THE  WEAPONS  OF  MASS  DESTRUCTION  AND THEIR DELIVERY SYSTEMS  (PROHIBITION  OF  UNLAWFUL  ACTIVITIES) ACT, 2005 NO. 21 OF 2005    [6th June, 2005.] An Act to prohibit unlawful activities, in relation to weapons of mass destruction and their delivery systems and for matters connected therewith or incidental thereto. WHEREAS India is determined to safeguard its national security as a Nuclear Weapon State; AND WHEREAS India is committed not to transfer nuclear weapons or other nuclear explosive devices, or to transfer control over such weapons or explosive devices, and not in any way to assist, encourage, or induce any other country to...
  • Atom Breaks Rules, Beats Friction

    03/30/2006 11:50:15 AM PST · by The_Victor · 58 replies · 1,657+ views
    Live Science ^ | 30 March 2006, 02:05 pm ET | Bjorn Carey
    Scientists have found a molecule that can spin freely in liquid, clearing out water like a person swinging suitcases would clear a crowded room. The molecule spins without causing friction [Video]. That shouldn't be possible, according to a chemical physics theory. The finding could alter the way scientists think about chemical reactions in liquids.Researchers hit a drop of iodine cyanide and water with pulses from an ultraviolet laser, exciting one type of molecule to reconfigure into a small, peanut shape with a carbon atom on one end, a nitrogen atom on the other.The molecule heated up to 8,000 degrees Fahrenheit...
  • Britain, US And France Push For Timetable To Make Iran Reveal Atom Secrets

    03/10/2006 6:14:59 PM PST · by blam · 16 replies · 426+ views
    The Telegraph (UK) ^ | 3-11-2006 | Anton La Guardia
    Britain, US and France push for timetable to make Iran reveal atom secrets By Anton La Guardia in Vienna (Filed: 11/03/2006) Britain, America and France were pushing last night for Iran to be given a quick timetable to come clean about its nuclear programme or face "targeted" United Nations sanctions. Western countries have long sought to reassure sceptics that they only want a "gradual" process of building up pressure on Teheran to co-operate fully with nuclear inspectors. But at a meeting last night with Russia and China, the three western members of the UN Security Council were pushing for Iran...