A team from Carnegie Mellon claims to have created detailed digital portraits using Wi-Fi signals. Their paper still hasn't been peer-reviewed, but if their results are credible, it points to a significant breakthrough. If this is the case, then this would be a tremendous step in surveillance technology.
Nicola Sturgeon is bowing out after shaping a party that has defined itself on the notion of Scottish independence. What now for Scotland and for Britain more broadly? Our correspondent says that France’s protests against pension reform are about far more than the stereotype of being workshy. And the surprising information spies could gather from your home’s Wi-Fi router.
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