Five techie innovations

Air-powered batteries, 3D cellphones that project holographs and personalised commutes are among the predictions of IBM scientists gazing into crystal balls.

Air-powered batteries, 3D cellphones that project holographs and personalised commutes are among the predictions of IBM scientists gazing into crystal balls.

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The US computer giant this week released its annual Next Five in Five list of five innovations expected in the next five.

The new batteries will last 10 times longer than they do.