Browse News Stories
41 to 50 of 2,137 stories
view headlines only
-
Search for Dark Matter: Experiment Measures Antimatter Excess in Cosmic Ray Flux
April 3, 2013 The international team running the Alpha Magnetic Spectrometer (AMS) today announced the first results in its search for dark matter. They report the observation of an excess of positrons in the ... > full storyMore: -
Taken Under the 'Wing' of the Small Magellanic Cloud: First Detection of X-Ray Emission from Young Stars With Masses Similar to Our Sun Outside Our Milky Way Galaxy
April 3, 2013 The Small Magellanic Cloud (SMC) is one of the Milky Way's closest galactic neighbors. In fact, it was so bright that many navigators used this object to make their way across the oceans. A new ... > full story -
Semiconductors: Touching Moments With a Radiant Outcome
March 27, 2013 Microstructures made of adjoining semiconductor disks could lead to powerful nanoscale ... > full story -
Breakthrough Study Sheds Light on Cell Defense Against Radiation Exposure
March 26, 2013 New insight into the structural nature of Deinococcus manganese complexes in the world’s toughest microbe, Deinococcus radiodurans, gained by using advanced spectroscopy techniques, may ... > full story -
Nanoparticles Show Promise as Inexpensive, Durable and Effective Scintillators
March 25, 2013 Nanoparticles can be successfully incorporated into scintillation devices capable of detecting and measuring a wide energy range of X-rays and gamma rays, new research ... > full story -
Speed of Light May Not Be Fixed, Scientists Suggest; Ephemeral Vacuum Particles Induce Speed-of-Light Fluctuations
March 25, 2013 Two new articles challenge established wisdom about the nature of vacuum. In one article scientists have identified a quantum level mechanism for interpreting vacuum as being filled with pairs of ... > full story -
Laser Empties Atoms from the Inside out
March 25, 2013 Plasma physicists have used one of the world's most powerful lasers to create highly unusual plasma composed of hollow atoms. The experimental work demonstrated that it is possible to remove the two ... > full story -
'Sideline Quasars' Helped to Stifle Early Galaxy Formation
March 21, 2013 Astronomers targeting one of the brightest quasars glowing in the universe some 11 billion years ago say "sideline quasars" likely teamed up with it to heat abundant helium gas billions of years ago, ... > full story -
Voyager 1 Has Entered a New Region of Space, Sudden Changes in Cosmic Rays Indicate
March 20, 2013 Thirty-five years after its launch, Voyager 1 appears to have travelled beyond the influence of the Sun and exited the heliosphere, according to a new ... > full story -
Electrons Are Not Enough: Cuprate Superconductors Defy Convention
March 19, 2013 To engineers, it's a tale as old as time: Electrical current is carried through materials by flowing electrons. But physicists have now found that for copper-containing superconductors, known as ... > full story
Search ScienceDaily
Number of stories in archives: 137,427

