News tagged with travel

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Sustainable ways to keep us flying

The global aviation industry continues to expand, with over 3 billion people expected to fly commercially in 2014, along with 38 million metric tons of cargo. This activity will have a huge impact on the ...

Apr 09, 2014 5 / 5 (1) 0

In search of time travelers

(Phys.org) —It started over a poker game. Astrophysicist Robert Nemiroff and his students were playing cards (for chips) last summer, chatting about Facebook. They wondered: If there were time travelers ...

Jan 06, 2014 2.5 / 5 (11) 4 | with audio podcast