Archive: 12/19/2011

How can growing galaxies stay silent?

Beginning around 2005, astronomers began discovering the presence of very large galaxies at a distance of around 10 billion lightyears. But while these galaxies were large, they didn’t appear to have ...

dateDec 19, 2011 in Astronomy
shares0 comments 1

Special relativity from first principles

Einstein’s explanation of special relativity, delivered in his 1905 paper On the Electrodynamics of Moving Bodies focuses on demolishing the idea of ‘absolute rest’, exemplified by the theoreti ...

dateDec 19, 2011 in General Physics
shares0 comments 60

Cosmic research picked in breakthroughs of 2011

(PhysOrg.com) -- Astronomers from the Dark Cosmology Center at the Niels Bohr Institute have developed a groundbreaking method for measuring long distances in the universe using light from quasars. Quasars ...

dateDec 19, 2011 in Astronomy
shares0 comments 2

Space image: Spiral galaxy

(PhysOrg.com) -- Resembling festive lights on a holiday wreath, this NASA/ESA Hubble Space Telescope image of the nearby spiral galaxy M74 is an iconic reminder of the impending season. Bright knots of glowing ...

dateDec 19, 2011 in Astronomy
shares0 comments 0

New insights into nanoparticles and dividing cells

(PhysOrg.com) -- What happens when living cells take up nanoparticles, those tiny entities that could offer new ways of delivering drugs into the body? A new study from researchers at UCD has tracked the progress of nanoparticles ...

dateDec 19, 2011 in Bio & Medicine
shares0 comments 0

Star images helping to save Vatican books

(PhysOrg.com) -- Antique books in the Vatican Library are being digitised to preserve them for future generations using a technique developed through ESA to store satellite images of the sky.

dateDec 19, 2011 in Other
shares0 comments 0