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Technology

Liquid lunches

Who wants proper food when you can survive on powder? Jonathan Beckman tucks into a mezze of meal replacements

Filter troubles

How you treat your photos once they’ve been taken is as important as setting up the shot. Jonathan Beckman enters the frame

Is there a doctor in my pocket?

Advances in medical technology can be painfully slow. But, Natasha Loder argues, we are on the verge of a transformation in health care that will render visiting the doctor a thing of the past

Flights of fancy

New gadgets often seem frivolous. But, as Tom Standage explains, expensive playthings can sometimes give birth to important technologies

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