Mobile phone data is revolutionising the way researchers study human mobility. But these analyses are worryingly susceptible to hidden bias, say researchers.
Security analysts reveal the inner workings of China’s efforts to block the Tor anonymity network–and how to get around this censorship.
A new cosmology successfully explains the accelerating expansion of the universe without dark energy; but only if the universe has no beginning and no end.
An Apple engineer discloses how the company’s premier recommendation engine parses millions of iTunes libraries.
Computer scientists have discovered a way to number-crunch an individual’s own preferences to recommend content from others with opposing views. The goal? To burst the “filter bubble” that surrounds us with people we like and content that we agree with.
As robots become ever more present in daily life, the question of how to control their behaviour naturally arises. Does Asimov have the answer?
Making computers faster means relying on the central processing unit (CPU) less than ever before.
A low-cost microscope made from folded paper and a cheap lens could revolutionize education and health care in the developing world.
For the next month, I’m trying out a smartphone-less existence. Am I crazy?