14/10/2009

Tracking down the human 'odorprint'

Each of the 6.7 billion people on Earth has a signature body odor -- the chemical counterpart to fingerprints -- and scientists are tracking down those odiferous arches, loops, and whorls in the "human odorprint" for purposes ...

Unique new MAV operates with high aerodynamic efficiency

A French researcher, funded by the European Office of Aerospace Research and Development, in London, England and the French DoD has designed a rugged micro air vehicle (MAV) that is attractive to the U.S. Air Force because ...

Small classes give extra boost to low-achieving students

Small classes in early grades improve test scores in later grades for students of all achievement levels, but low achievers get an extra boost. That's the finding of a study on the long-term effects of class size in the November ...

Dyson Unveils His Bladeless Fan (w/ Videos)

(PhysOrg.com) -- James Dyson, inventor of the bag-less vacuum cleaners has taken his invention one step further with the unveiling of the bladeless fan. Using 'Air Multiplier' technology the bladeless fan pushes 119 gallons ...

page 4 from 7