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You’ll buy more from web ads that know how you think

Amid the wealth of information streaming out of websites, banner ads get little of users' attention. For website operators that depend on advertising revenues and online retailers, that's not good news. So could they make those banners more appealing by tailoring the content more closely...

Contact lens to get built-in graphics

A contact lens that harvests radio waves to power an LED is paving the way for a new kind of display. The lens is a prototype of a device that could display information beamed from a mobile device. Realising that display size is increasingly a...

Live Video makes Google Earth Cities Bustle

Virtual globes such as Google Earth or Microsoft Visual Earth provide great bird's-eye views of urban landscapes. But those streets are empty, transforming the world's cities into ghost towns. Now a system that can draw on real-time video from traffic and surveillance cameras, or weather...

It is a Landfill and an Ecopark

June 2009, Singapore City A typical landfill isn’t the sort of place where residents have peaceful picnics and take nature walks or go to stargaze. But Singapore’s Semakau landfill is far from ordinary. Pulau Semakau – where Singapore’s only landfill is located – is a...

Down the Infinite Corridor of Learning

Professor R.S. Kumar, the unassuming head of the computer science department of Bannari Amman College of Technology in South India, still remembers that Google search from five years ago. Sitting at his office desk, he keyed in the search strings “computer science” and “course material.” Within...