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Keyword: darkmatter

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  • Earthbound Antimatter Mystery Deepens After Scientists Rule Out Pulsar Source

    11/17/2017 9:19:32 AM PST · by BenLurkin · 29 replies
    Space.com ^ | November 16, 2017 | Harrison Tasoff,
    The recent finding, detailed in the journal Science today (Nov. 17), concerns positrons, the antimatter complements of electrons. High-energy particles, usually protons, traveling across the galaxy can create pairs of positrons and electrons when they interact with dust and gas in space, study co-author Hao Zhou, at Los Alamos National Lab, told Space.com. In 2008, the space-based PAMELA detector measured unexpectedly high numbers of earthbound positrons. This was about 10 times what they were expecting to see, according to Zhou. ... Zhou's team made detailed measurements of the gamma-rays coming from the direction of two nearby pulsars — Geminga and its companion...
  • The Physicist Who Denies Dark Matter

    05/19/2017 9:59:26 AM PDT · by BenLurkin · 45 replies
    Nautilus ^ | 05/18/2017 | Oded Carmali
    To understand this problem, one needs to wrap one’s head around some celestial rotations. Our planet orbits the sun, which, in turn, orbits the center of the Milky Way galaxy. Inside solar systems, the gravitational pull from the mass of the sun and the speed of the planets are in balance. By Newton’s laws, this is why Mercury, the innermost planet in our solar system, orbits the sun at over 100,000 miles per hour, while the outermost plant, Neptune, is crawling at just over 10,000 miles per hour. Now, you might assume that the same logic would apply to galaxies:...
  • Astronomers capture image of elusive force that connects the universe

    04/13/2017 1:22:16 PM PDT · by heterosupremacist · 66 replies
    http://nypost.com ^ | 04/13/2017 | Lauren Tousignant
    Captured by researchers at the University of Waterloo in Ontario, Canada, the composite image is proof that dark matter acts as a giant intergalactic web that connects galaxies throughout space and time. Their findings were published in Monthly Notices of the Royal Astronomical Society. Dark matter is an invisible force that doesn’t emit or reflect light, and is only detectable through gravity. It makes up around 27 percent of the observable universe and scientists have long predicted that the ghostly substance plays a crucial role in the makeup of our entire universe. “For decades, researchers have been predicting the existence...
  • Researchers capture first 'image' of a dark matter web that connects galaxies

    04/12/2017 11:53:27 AM PDT · by Red Badger · 48 replies
    phys.org ^ | April 12, 2017 | Provided by: Royal Astronomical Society
    Dark matter filaments bridge the space between galaxies in this false colour map. The locations of bright galaxies are shown by the white regions and the presence of a dark matter filament bridging the galaxies is shown in red. Credit: S. Epps & M. Hudson / University of Waterloo ================================================================================================================================ Researchers at the University of Waterloo have been able to capture the first composite image of a dark matter bridge that connects galaxies together. The scientists publish their work in a new paper in Monthly Notices of the Royal Astronomical Society. The composite image, which combines a number of individual...
  • Wikileaks Releases "NightSkies 1.2": Proof CIA Bugs "Factory Fresh" iPhones

    03/23/2017 7:34:38 AM PDT · by Enlightened1 · 63 replies
    Zero Hedge ^ | 03/23/17 | Tyler Durden
    A new WikiLeaks Vault 7 leak titled “Dark Matter” claims that the Central Intelligence Agency has been bugging “factory fresh” iPhones since at least 2008 through suppliers. The documents are expected to be released after a 10 a.m. EDT “press briefing” that WikiLeaks promoted on its Twitter. And here is the full press release from WikiLeaks: Today, March 23rd 2017, WikiLeaks releases Vault 7 "Dark Matter", which contains documentation for several CIA projects that infect Apple Mac Computer firmware (meaning the infection persists even if the operating system is re-installed) developed by the CIA's Embedded Development Branch (EDB). These documents...
  • Dark Matter (new wikileaks dump today - Vault 7)

    03/23/2017 7:23:23 AM PDT · by bigbob · 16 replies
    Wikileaks ^ | 3-23-16 | Wikileaks
    23 March, 2017 Today, March 23rd 2017, WikiLeaks releases Vault 7 "Dark Matter", which contains documentation for several CIA projects that infect Apple Mac Computer firmware (meaning the infection persists even if the operating system is re-installed) developed by the CIA's Embedded Development Branch (EDB). These documents explain the techniques used by CIA to gain 'persistence' on Apple Mac devices, including Macs and iPhones and demonstrate their use of EFI/UEFI and firmware malware. Among others, these documents reveal the "Sonic Screwdriver" project which, as explained by the CIA, is a "mechanism for executing code on peripheral devices while a Mac...
  • WikiLeaks Vault 7 Leak Claims CIA Bugs ‘Factory Fresh’ iPhones

    03/23/2017 8:33:48 AM PDT · by Swordmaker · 33 replies
    Heavy.com ^ | March 23, 2017 | By S.J. Prince
    A new WikiLeaks Vault 7 leak titled “Dark Matter” claims, with unreleased documents, that the Central Intelligence Agency has been bugging “factory fresh” iPhones since at least 2008. WikiLeaks further claims that the CIA has the capability to permanently bug iPhones, even if their operating systems are deleted or replaced.The documents are expected to be released after a 10 a.m. EDT “press briefing” that WikiLeaks promoted on its Twitter. RELEASE: CIA #Vault7 "Dark Matter" https://t.co/pgnfeODXVB pic.twitter.com/vkI16f3vMD— WikiLeaks (@wikileaks) March 23, 2017 Watch a livestream of the Julian Assange led event here. WATCH: WikiLeaks Vault 7 Livestream on CIA ‘Dark Matter’...
  • Towards A New Understanding Of Dark Matter

    03/07/2017 7:29:15 AM PST · by BenLurkin · 8 replies
    Universe Today ^ | 6 Mar , 2017 | Evan Gough
    Dark matter remains largely mysterious, but astrophysicists keep trying to crack open that mystery. Last year’s discovery of gravity waves by the Laser Interferometer Gravitational Wave Observatory (LIGO) may have opened up a new window into the dark matter mystery. Enter what are known as ‘primordial black holes.’ ... Unlike stellar black holes, primordial black holes originated in high density fluctuations of matter during the first moments of the Universe. They can be much larger, or smaller, than stellar black holes. PBHs could be as small as asteroids or as large as 30 solar masses, even larger. They could also...
  • Surprise interaction between dark and ordinary matter found in mini-spiral galaxies

    12/16/2016 7:57:51 PM PST · by Lorianne · 19 replies
    UPI ^ | 15 December 2016 | Brooks Hays
    In a recent survey of mini-spiral galaxies, astronomers found a unexpected relationship between dark and light matter. The relationship is easy to measure yet impossible to explain using the Standard Model of physics. Researchers from Italy's International School for Advanced Studies conducted a statistical analysis of three dozen mini-spiral galaxies. Their work revealed a strong correlation between the organization of dark and regular matter in each galaxy. If, for example, ordinary matter was condensed at the center of a mini-spiral galaxy, so too was dark matter. If the bulk of regular matter was scattered across the outskirts of the galaxy,...
  • Dark matter caused the demise of the dinosaurs?

    12/14/2016 10:12:58 AM PST · by fishtank · 84 replies
    Creation Ministries International ^ | 13 December 2016 (GMT+10) | John G. Hartnett
    Dark matter caused the demise of the dinosaurs? by John G. Hartnett Published: 13 December 2016 (GMT+10) Harvard University LisaRandallHarvardEdu American theoretical physicist and cosmologist Dr Lisa Randall is another scientist grasping at dark matter for answers. Dark matter has been invoked to solve many vexing problems in astrophysics and cosmology.1 Now it seems it has been invoked to solve the evolutionists’ problem of extinction of the dinosaurs.2 American theoretical physicist and cosmologist Dr Lisa Randall has developed a breakthrough five dimensional warped geometry theory. About two years ago she proposed a new hypothesis on dark matter which suggests the...
  • How President-Elect Donald Trump Can Fast-Track Deregulation And Wealth Creation

    11/13/2016 7:36:30 PM PST · by Tolerance Sucks Rocks · 13 replies
    The Competitive Enterprise Institute ^ | November 9, 2016 | Clyde Wayne Crews
    On this, the day after the election of Donald J. Trump as the 45th president (yes, he has already updated his Twitter profile), President Barack Obama’s 2016 Federal Register page count stands at a record-level 78,898.The Federal Register, so emblematic of Washington excess, is where the hundreds of Washington bureaucracies post their proposed and final rules and regulations each day.Obama will break his own all-time record of 81,405 pages even before December gets here. Of the ten highest-ever Federal Register page counts, the incumbent president will own seven of them.Within those pages, several thousand rules get issued annually, no matter...
  • 5th force of nature possibly discovered, US physicists say

    08/16/2016 5:45:02 AM PDT · by Bloody Sam Roberts · 68 replies
    RT America ^ | Unknown
    Scientists are ecstatic over the fact that they may have just discovered the fifth fundamental force of nature. The possible discovery of a previously-unknown subatomic particle looks set to finally bring the elusive dark matter into the mix. The discovery centers on a new type of boson that possesses characteristics previously unseen in particles. Furthermore, its existence casts doubt upon whether the known ‘sector’ of matter and particles exists alongside a ‘dark’ sector – both interacting with each other via another, unseen force.“If true, it's revolutionary,” said Jonathan Feng, professor of physics & astronomy at the University of California, Irvine,...
  • How to catch a ripple in spacetime

    06/19/2016 12:26:13 PM PDT · by MtnClimber · 16 replies
    Ideas.ted.com ^ | 17 Jun, 2016 | Janna Levin
    How do you build a real-world machine to test the most abstract of theories? Janna Levin talks with Rai Weiss, one of the original designers of LIGO, the four-kilometer-long instrument that has now twice detected the distant reverberations of two black holes crashing into one another. Janna Levin is a theoretical physicist — she works with pen and paper to turn the elegant rules of the universe into theory. Rainer Weiss, or Rai, as he’s known, is an experimental physicist — he thinks about how to find and measure something that may or may not exist outside of theory. Weiss...
  • Do We Need to Revise General Relativity?

    05/20/2016 11:56:18 AM PDT · by MtnClimber · 39 replies
    Real Clear Science ^ | Ross Pomeroy
    The idea that our Universe is filled with dark matter has been around for nearly a century. When astronomers noticed that orbital speeds towards the edges of spiral galaxies remain the same or even increase slightly, rather than decrease, they surmised that either there must be some huge unseen mass driving the rotation, or that the laws of gravity given by Einstein's General Relativity need to be changed. They elected the first option. Over that time, cosmologists have accumulated boatloads of evidence in favor of the notion that this invisible, "dark" matter -- which neither interacts with nor emits light...
  • Astronomy Picture of the Day -- LIGO Detects Gravitational Waves from Merging Black Holes

    02/11/2016 4:37:17 PM PST · by SunkenCiv · 30 replies
    NASA ^ | February 11, 2016 | (see photo credit)
    Explanation: Gravitational radiation has been directly detected. The first-ever detection was made by both facilities of the Laser Interferometer Gravitational-Wave Observatory (LIGO) in Washington and Louisiana simultaneously last September. After numerous consistency checks, the resulting 5-sigma discovery was published today. The measured gravitational waves match those expected from two large black holes merging after a death spiral in a distant galaxy, with the resulting new black hole momentarily vibrating in a rapid ringdown. A phenomenon predicted by Einstein, the historic discovery confirms a cornerstone of humanity's understanding of gravity and basic physics. It is also the most direct detection of...
  • Galactic center's gamma rays unlikely to originate from dark matter, evidence shows

    02/05/2016 1:08:03 PM PST · by MtnClimber · 15 replies
    Princeton University ^ | 4 Feb, 2016 | Catherine Zandonella, Office of the Dean for Research
    Bursts of gamma rays from the center of our galaxy are not likely to be signals of dark matter but rather other astrophysical phenomena such as fast-rotating stars called millisecond pulsars, according to two new studies, one from a team based at Princeton University and the Massachusetts Institute of Technology and another based in the Netherlands. Previous studies suggested that gamma rays coming from the dense region of space in the inner Milky Way galaxy could be caused when invisible dark matter particles collide. But using new statistical analysis methods, the two research teams independently found that the gamma ray...
  • Black holes can grow to 50 billion times the mass of the Sun... and then stop

    12/21/2015 1:15:25 PM PST · by Red Badger · 32 replies
    www.ibtimes.co.uk ^ | December 21, 2015 12:30 GMT | By Matt Atherton
    Black holes can only grow if they have a gas disc to feed on NASA Goddard Space Flight Center/Flickr ======================================================================================================== Black holes can only grow to 50 billion times the mass of the Sun, before they lose their only source of 'food' and stop growing. Scientists discovered that black holes have a size limit, as when it gets so big, the gas which feeds the great void loses its energy, and falls into the unknown. A researcher from the University of Leicester analysed the disc of gas which surrounds supermassive black holes at the centre of galaxies. He found that...
  • New Law to Regulate Dark Matter

    12/12/2015 2:44:44 PM PST · by huckfillary · 31 replies
    Artful Dilettante ^ | December 12, 2015 | Artful Dilettante
    In what amounts to stunning acknowledgement of its very existence, and a reversal of existing policy, Congress yesterday passed legislation by a wide margin granting sweeping federal regulatory authority over dark matter. Obama has already promised to sign the legislation which he termed “a small step in the right direction.” The vote culminated months of secret negotiations and political horse-trading. Up till now, each state has been free to regulate dark matter in its own way and of its choosing. The law now prohibits independent state action on dark matter, making it the exclusive province of the federal government. Tenth...
  • Dark matter and the dinosaur: New theory challenges notions on origins of human life

    12/12/2015 1:32:59 AM PST · by Squawk 8888 · 22 replies
    National Post ^ | December 12, 2015 | Joseph Brean
    TORONTO — Dark matter inspires many strange theories, but until now few have involved giant lizards and the origins of humanity. If physicist Lisa Randall’s theory is correct, however, there is a clear link between dark matter, the great unknown majority of universal stuff and the extinction of the dinosaurs, which cleared the path for the rise of mammals, including that special species, homo sapiens. Roughly, her idea is that the rotation of a vast disc of dark matter through our solar system dislodged an asteroid from a weak and distant orbit, and sent it hurtling toward Earth, where it...
  • Astronomy Picture of the Day 9-17-02

    09/16/2002 10:05:58 PM PDT · by petuniasevan · 22 replies · 310+ views
    NASA ^ | 9-17-02 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 September 17 A Force from Empty Space: The Casimir Effect Credit & Copyright: Umar Mohideen (U. California at Riverside) Explanation: This tiny ball provides evidence that the universe will expand forever. Measuring slightly over one tenth of a millimeter, the ball moves toward a smooth plate in response to energy fluctuations in the vacuum of empty space. The attraction is known as the Casimir Effect, named for...