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Stories by Steven Ashley

Crashless Cars: Making Driving Safer

Next-generation automotive safety technology could give us vehicles that are difficult to crash—and eventually may not need drivers at all

December 8, 2008 — Steven Ashley

Giant's Electric-Assist Bicycle: A Review

I have a biking nemesis: During my regular rides around the six-mile outer loop of New York’s Central Park, the big hill at the north (uptown) end of the park invariably sucks the very life out of my aging legs...

July 18, 2008 — Steven Ashley

Graphene Could Be the New Silicon

Recent investigations by physicists at the University of Maryland indicate that graphene—one-atom-thick sheets of carbon—could one day supplant silicon as the material of choice for important applications such as high-speed computer chips and biochemical sensors...

March 31, 2008 — Steven Ashley

Artificial Muscles

Novel motion-producing devices--actuators, motors, generators--based on polymers that change shape when stimulated electrically are reaching commercialization.

February 1, 2008 — Steven Ashley

Should NASA Go to the Moon or the Asteroids First?

Craig Covault, one of the nation's top aviation/space journalists, recently published a story in Aviation Week and Space Technology that describes a lobbying campaign by influential members of the space community who are pushing for NASA to forgo returning humans to the Moon in favor of traveling to the asteroids or the Lagrangian points, where the Sun's and the Earth's gravity cancel out so that space platforms could park there over the long term...

January 22, 2008 — Steven Ashley

Aerial Stealth

Plasma antennas disappear when shut off

January 17, 2008 — Steven Ashley

Rotor in Motor

Replacing aluminum with copper in electric motors saves energy

October 14, 2007 — Steven Ashley
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