Related topics: graphene

Starbucks teams with Square for mobile payments

Starbucks is pouring $25 million into electronic payments start-up Square in a partnership that expands mobile payment options at the coffee chain, the companies announced Wednesday.

Apple patent bid hints at changeable iPhone lens

A US patent application made public on Thursday hinted that Apple may be toying with the idea of letting picture-loving iPhone users change lenses for the smartphone cameras.

Dip chip technology tests toxicity on the go

From man-made toxic chemicals such as industrial by-products to poisons that occur naturally, a water or food supply can be easily contaminated. And for every level of toxic material ingested, there is some level of bodily ...

Topological transitions in metamaterials

The ability to control the flow of electrons using engineered materials is fundamental to the information technology revolution, yet many properties of matter are still unclear. Now a University of Alberta researcher is closer ...

Mobile apps raise new privacy concerns

Smartphone in hand, you tap into your local application store. You click on a nifty tool that promises to massage your belly and pat your head at the same time. But just as you're about to download it, you decide to click ...

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