Microsoft introduces Lumia 540 Dual SIM: crafted details and crisp, clear HD for under $150


REDMOND, Wash. — April 14, 2015 — Microsoft Corp. on Tuesday unveiled the Lumia 540 Dual SIM, designed for young, ambitious people looking for their first serious smartphone. The Lumia 540 Dual SIM features the latest Windows Phone 8.1 innovations and boasts a 5-inch HD display and crafted design details. It helps people stay productive on-the-go with Microsoft services like Skype and Office available out-of-the-box, and enables better mobile experiences, such as taking wide-angle selfies that Read more [...]

Fearing the Icefall: On Everest, dangers are clear


On Everest, everybody knows that the Icefall is dangerous. They've known it for generations, since the first great Everest mountaineer, George Mallory, turned away from the Khumbu Icefall in 1921, insisting it was impossible to pass. It is a river of ice, a kilometer (half mile) or so of constantly shifting glacier punctuated by deep crevasses and overhanging immensities of ice that can be as large as 10-story buildings. It can move two meters (six feet) in just one day. Crossing it can take 12 hours. Read more [...]