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Tag archives: mobile phones

Self-powered camera can take selfies forever

Photograph of the self-powered camera

Say cheese: is this self-powered camera the future of photography? (Courtesy: Computer Vision Laboratory, Columbia Engineering)

By Ian Randall

With a smartphone in every pocket and remotely operated cameras on every street corner, digital cameras are a ubiquitous part of life. Last year alone an estimated two billion cameras of various sorts were sold worldwide – with such sales likely to increase. While personal cameras are easily recharged, many new remote applications require smaller and longer-lasting power supplies.

But what if your camera could self-power while you take selfies? This is the idea put forward by Shree Nayar and his colleagues at Columbia University in New York City, who have created the first ever completely self-powered video camera.


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Getting into shape

By Tushna Commissariat

Just think how handy it would be if your mobile phone could transform into different shapes depending on what you are using it for – nice and compact if you want to, say, securely enter a password in a public space or a broad console when playing a video game. That vision has moved one step closer to reality thanks to a prototype ultra-flexible mobile device unveiled yesterday by a group of researchers from the Department of Computer Science at Bristol University in the UK.


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