Archive: 12/05/2011

Shredder Challenge solved

Almost 9,000 teams registered to participate in DARPA's Shredder Challenge. Thirty-three days after the challenge was announced, one small San Francisco-based team correctly reconstructed each of the five challenge documents ...

Dec 05, 2011
5 / 5 (4) 3

NSV 11749 - born again and grown old

In 1996, a Japanese amateur astronomer discovered a new star in the constellation Sagittarius. Dubbed V4334 Sgr, astronomers initially expected it to be a typical novae, but closer examination revealed it ...

Dec 05, 2011
5 / 5 (6) 1

Mountains and buried ice on Mars

(PhysOrg.com) -- New images from Mars Express show the Phlegra Montes mountain range, in a region where radar probing indicates large volumes of water ice are hiding below. This could be a source of water ...

Dec 05, 2011
5 / 5 (2) 0

Dating the world's language families

(PhysOrg.com) -- A computerized method for determining when prehistoric languages were spoken has been developed by an international group of scholars known as the ASJP (Automated Similarity Judgment Program) ...

Dec 05, 2011
4.2 / 5 (6) 2 | with audio podcast

With changes, the grid can take it

Over the next two decades, the U.S. electric grid will face unprecedented technological challenges stemming from the growth of distributed and intermittent new energy sources such as solar and wind power, ...

Dec 05, 2011
4.5 / 5 (2) 2 | with audio podcast