Christopher Barkan

Dec. 06, 2013

Would More Technology Mean Safer Trains?

Seventy thousand miles of track will need to be outfitted with "positive train control" technology by 2015.

positive train control, christopher barkan, metro north

Jul. 13, 2012

The Nuts and Bolts of High-Speed Rail

After years on the slow track, America’s high-speed rail may finally be building momentum.

high-speed rail, transportation, California, engineering, civil engineering, railroad, trains, high-speed trains

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Michael Pollan Talks Plants and Food

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Comet's Tail Shines Light on Sun

\tIn 2011, comet Lovejoy traveled through the sun’s corona and lived to tell the tale. But its tail was the most telling. Reporting in the journal Science, Cooper Downs, an astrophysicist at Predictive Science Inc. in San Diego, Calif., says that the wiggly path of the comet’s tail helps explain the sun’s magnetic field. \t 

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