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'Heat of hell': Saudi sun challenges hajj pilgrims

Mobile phones are overheating and the pavement feels like a frying pan but for Abdul al-Assad, intense desert heat is all part of the hajj pilgrimage in summertime Saudi Arabia.

Phone communication spurs a cascading effect on social influence

Social influence from phone communications is significant, reaching as far as four degrees of separation from the original caller, according to a new study from researchers at The University of Texas at Austin, who developed ...

Wireless sensor enables real-time spoilage alerts on food

Food waste and food-borne diseases are among the most critical problems urban populations face today. They contribute to greenhouse emissions tremendously and amplify economic and environmental costs. Since food spoilage ...

New material paves the way for more efficient electronics

Researchers from the University of Twente proved that germanene, a two-dimensional material made of germanium atoms, behaves as a topological insulator. It is the first 2D topological insulator that consists of a single element. ...

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