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Stories by Larry Greenemeier

Environment

First Fast-Charging Station for E-Cars Goes Live as Part of `Electric Highway'

2011 has turned out to be a groundbreaking year for electric vehicles—literally. The Washington State Department of Transportation (WSDOT) earlier this week chose a shopping center in Bellingham as the first location to break ground on the state's segment of the West Coast Electric Highway, part of a 444-kilometer stretch of road along Interstate 5 between Washington's borders with Oregon and Canada.Bellingham will host the Electric Highway's first direct-current (DC) electric vehicle fast-charging station, designed by AeroVironment Inc...

December 29, 2011 — Larry Greenemeier
The Sciences

10 Facts about Portable Electronics and Airplanes

As the recent flurry of articles about why portable electronic devices are restricted during air travel makes clear, the conclusion to be drawn from the information available is a very complicated: "We just don't know." For this reason alone airlines err on the side of caution, asking people nicely (and sometimes not so nicely) to turn off their gadgets during takeoff and landing.Here's what we do know, or at least here's what makes sense and comes from reputable sources, including the U.S...

December 22, 2011 — Larry Greenemeier
The Sciences

Ultrafast Camera Records at Speed of Light

Researchers at the Massachusetts Institute of Technology (M.I.T.) have developed an imaging system that can acquire visual data at a rate of one trillion exposures per second--fast enough to produce a slow-motion video of a burst of light traveling the length of a one-liter bottle, bouncing off the cap and reflecting back to the bottle's bottom.As Ramesh Raskar, an associate professor in M.I.T.'s Media Lab, explains in the video below, a high-speed camera can capture the image of a bullet mid-flight...

December 13, 2011 — Larry Greenemeier
The Sciences

Will 4G Interfere with GPS? Wireless Firm LightSquared Denies the Charge

The U.S. has been widely criticized in recent years for falling behind other developed countries in its deployment of high-speed wireless networks. The current dustup involving LightSquared, Bloomberg News and several government agencies provides some clues as to the complexity of the problem.LightSquared is proposing to build a high-speed nationwide 4G LTE (long-term evolution) network and lease capacity on that network to different wireless carriers, including Sprint Nextel Corp...

December 12, 2011 — Larry Greenemeier
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