symmetry magazine

dimensions of particle physics

dimensions of particle physics

A joint Fermilab/SLAC publication

 

dark energy

April 2014

  • April 7, 2014
    breaking: Expanding universe measured with precision
    The Sloan Digital Sky Survey has made the most precise measurement of the expansion rate of the universe over a period of time, an important step toward understanding dark energy.
  • April 1, 2014
    feature: The oldest light in the universe
    The Cosmic Microwave Background, leftover light from the big bang, carries a wealth of information about the universe—for those who can read it.

January 2014

  • January 28, 2014
    breaking: A new dark-energy detector on the horizon
    A dark-energy detector under development at Fermilab uses a different technique to generate full-color images of astronomical objects.

December 2013

  • December 20, 2013
    breaking: Physicists look toward the high-energy horizon
    A panel met at Brookhaven National Laboratory to chart the course for US investment in particle physics experiments.
  • December 6, 2013
    breaking: US particle physicists look to space
    A panel met at SLAC National Accelerator Laboratory to look for promising routes to the study of dark matter, dark energy and other phenomena.
  • December 2, 2013
    explain it in 60 seconds: Baryonic acoustic oscillations
    Scientists have found a way to study sound waves from the early universe to learn more about its history and contents. 

November 2013

  • November 22, 2013
    signal to background: Mock data, real science
    In scientific circles, “mock” is not always a four-letter word. Through mock-data competitions, astrophysicists check their work.

September 2013

  • September 3, 2013
    breaking: The Dark Energy Survey begins
    Over the next five years, scientists will capture some of the grandest images of the cosmos ever seen and use them to probe the mystery of dark energy.

August 2013

July 2013

  • July 2, 2013
    feature: Secrets of the early universe
    Planck, the space telescope that this year revealed unprecedentedly detailed information about the early universe, is just getting started.

April 2013

March 2013

February 2013

  • February 18, 2013
    explain it in 60 seconds: Spectroscopy
    Spectroscopy is a technique that astronomers use to measure and analyze the hundreds of colors contained in the light emitted by stars, galaxies and other celestial objects.

January 2013

  • January 28, 2013
    feature: Illuminating the dark universe
    The pursuit of dark matter and dark energy is one of the most exciting—and most challenging—areas of science. Now researchers think they’re beginning to close in.
  • January 28, 2013
    signal to background: Dark energy goes to Nerd Nite
    More than 250 self-proclaimed nerds pack a bar in the heart of San Francisco to learn something new.
  • January 22, 2013
    essay: A galaxy with a view
    A physicist, a software developer and a writer step outside one night to take in nature’s beauty at a mountaintop observatory in Chile.
  • January 2, 2013
    editorial: The discoveries continue
    The discoveries of 2012 point the way to more exciting physics in 2013 and the decades beyond.

December 2012

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