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Collecting and analyzing information from simple cell phones can provide surprising insights into how people move about and behave—and even help us understand the spread of diseases.
Manufactured sapphire is incredibly strong and scratch resistant. Now falling costs and technology improvements could make it competitive with glass.
Many users’ perceptions are at odds with the realities, researchers show.
A call for smart-phone software that lets users see what data their gadgets are sending out.
The advance could lead to motion sensors showing up in running shoes and tennis rackets.
Mobile-phone activity can provide a warning of disease flare-ups.