Archive for the ‘Transportation’ Category

Driving while blabbing - Thursday, September 17th, 2009

How many dead? Research and real-life experience prove that people die when drivers pick up the cellphone. Even worse: texting on the road!

New plug-in hybrid claims 640 miles per tank - Thursday, November 29th, 2007

Plug-in hybrids mean more than just extra spending cash for drivers, though. They could offer a new path through the maze of the electric grid, and help to boost the use of alternative energy.

Electric Cars: Meet the plug-in Hybrid - Thursday, November 29th, 2007

Hybrid cars and fuel cells increase auto efficiency and reduce pollution, but it’s a long struggle from the idea to the reality.

Flying with bats - Thursday, May 10th, 2007

New study shows how they stay aloft, turn on a dime. Freeze-frame pix of bats flying show unexpectedly complex flight patterns. Meet evolution’s second answer to the problem of vertebrate flight.

Simple fix boosts truck mileage. - Thursday, November 10th, 2005

Trucks create a lot of turbulence at the rear. Can a simple set of plates reduce this turbulence and save 10 percent on an 18-wheeler’s fuel bill?

Fuel Cell Advance: Catalyst - Thursday, March 31st, 2005

Fuel cells could provide cheap, efficient power, but nobody knows where to get the hydrogen. A new catalyst offers one route to fuel-cell success.

Wicked Wingbeat - Thursday, January 20th, 2005

Fruitfly muscles are triggered when they are lengthened by the opposing muscle, explaining why they can beat their wings 200 times a second.

When Birds Fly - Thursday, December 9th, 2004

Birds musta gotten a lesson from fighter planes: Bird wings get lift from a leading edge vortex, just like fighter planes.

Space Travel: Humans vs. Robots - Friday, January 30th, 2004

Bush proposes mission to moon and Mars, but how great are the scientific payoffs of this expensive, risky adventure? Would it be smarter – and cheaper – to send robots?

Composite Materials: Technology Behind the Magic - Thursday, December 13th, 2001

Airbus crashes in New York — composite material fails and tail fin falls off. Why are composites (usually) so strong? How are they used in roads, bikes and planes?

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