Venus transits the rising Sun

Mirage maker

30 October 2015

Aditya Sadhanala wanders over to the wall, turns a pulley, and a wooden box about a metre squared swings up and away. Below it gleams an array of carefully positioned lasers, deflectors and sensors surrounding a piece of glass no bigger than a contact lens. He flips a switch and creates a ‘mirage’.

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mobile-mobile

Phone for a doctor

28 October 2015

Worried you might be at risk from diabetes? Check your phone: it might help stop you getting the disease. And if you already have diabetes? Your phone might even help you monitor your condition at home.

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