21/06/2011

America's deadliest war also is most memorialized, professor says

As the nation recognizes the 150th anniversary of the Civil War's start, public interest has been rekindled in the war and the numerous memorials and monuments marking historic figures, sites and battlegrounds in states around ...

Watching particles' jekyll-to-hyde transformation

(PhysOrg.com) -- Whether a common atmospheric particle stays in a stable form or twists into something else depends on the amount of water it encounters in the atmosphere, according to scientists at the University of Iowa ...

Astronomers find evidence for a strange new planetary system

(PhysOrg.com) -- A team of astronomers, including Dr Gavin Ramsay of the Armagh Observatory, has found evidence that suggests the existence of an extraordinary planetary system. Two giant planets appear to be revolving at ...

Researcher uses nanosilica to strengthen concrete (w/ video)

Every day, concrete structures crack and erode prematurely due to Alkali Silica Reactivity (ASR), a chemical reaction that causes fissures in the material as it sets. Jon Belkowitz, a doctoral student at Stevens Institute ...

New methods keep bugs out of software for self-driving cars

Driver assistance technologies, such as adaptive cruise control and automatic braking, promise to someday ease traffic on crowded routes and prevent accidents. Proving that these automated systems will work as intended is ...

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