Archive: 08/12/2011

Dynamic toll for smooth-flowing traffic

Highway traffic can flow more freely thanks to a dynamic toll. Siemens has developed a special algorithm for traffic control systems that adjusts the toll charge to the current traffic situation. In return, ...

Aug 12, 2011 not rated yet 0

A cosmic exclamation point

(PhysOrg.com) -- VV 340, also known as Arp 302, provides a textbook example of colliding galaxies seen in the early stages of their interaction. The edge-on galaxy near the top of the image is VV 340 North ...

Aug 12, 2011 4.3 / 5 (8) 42 | with audio podcast

Sewage still plagues Hudson River

People are swimming in the Hudson again, and while clumps of sewage rarely float by anymore, the water is not reliably clean, says a report released this week from the environmental group Riverkeeper. Four ...

Aug 12, 2011 5 / 5 (1) 1