EarthTalk: Why doesn't U.S. have high-mileage diesel cars, like Europe?
Dear EarthTalk: I don't understand why there are many European diesel cars with very high mileage ratings that are not available in the U.S. Can you enlighten? (John Healy, Fairfield, Conn.)
Passengers boarding airplanes—we're doing it wrong
'Tis the season for airplane travel. We may be looking forward to getting where we're going, but most aspects of the travel itself are merely endured. There's stressful security, the madding crowd and the ...
Mathematicians develop a new 'third way' to improve airplane boarding
Lead researcher Dr Tie-Qiao Tang said while modelling had previously been done on factors such as luggage congestion, routing, and takeoff runway scheduling, his study was the first to look at boarding.
The ethics of resurrecting extinct species
(Phys.org) —At some point, scientists may be able to bring back extinct animals, and perhaps early humans, raising questions of ethics and environmental disruption.
Boeing engineers use spuds to improve in-air Wi-Fi
If the wireless Internet connection during your holiday flight seems more reliable than it used to, you could have the humble potato to thank.
China passenger train hits 300 mph, breaks record
(AP) -- A Chinese passenger train hit a record speed of 302 miles per hour (486 kilometers per hour) Friday during a test run of a yet-to-be opened link between Beijing and Shanghai, state media said.
Better airport scanners delayed by privacy fears
(AP) -- High-tech security scanners that might have prevented the Christmas Day attempt to blow up a jetliner have been installed in only a small number of airports around the world, in large part because ...
Stabilizing aircraft during takeoff and landing using math
One of the lesser known concerns about commercial aircraft is their stability on the ground during taxiing, takeoff, and landing. During these processes, planes must maintain stability under various operating ...
Lightning-produced radiation a potential health concern for air travelers
New information about lightning-emitted X-rays, gamma rays and high-energy electrons during thunderstorms is prompting scientists to raise concerns about the potential for airline passengers and crews to be ...
Scientists highlight the resurrection of extinct animals as both a strong possibility and a major potential conservation
(Phys.org) —Scientists from across the world have "scanned the horizon" in order to identify potentially significant medium and long-term threats to conservation efforts.
Have we reached peak travel?
Automakers bet on alternative-fuel cars for future
Judging by the slew of electric and hybrid vehicles being rolled out at the Frankfurt Auto Show, it might seem carmakers are tapping a large and eager market.
Are TGFs Hazardous to Air Travelers?
Instruments scanning outer space for cataclysmic explosions called gamma-ray bursts are detecting intense flashes of gamma-ray energy right here in the friendly skies of Earth. These terrestrial gamma-ray ...
Obama to announce new car efficiency standards
US President Barack Obama will later this week unveil new fuel efficiency standards for passenger cars and light trucks for the 2017-2025 period, the White House said Wednesday.