Downloading free software is hugely time consuming and expensive in the developing world. Now one computer scientist has worked out how to spread it faster and more cheaply without using the internet.
Another chance to catch the most interesting, and important, articles from the previous week on MIT Technology Review.
The best of the rest from the arXiv preprint server.
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.
In physics multiple choice papers, the correct answers should follow Benford's law while the other options should not. So can an enterprising student use this to beat the test?
Physicists have developed a technique that can tell which parts of the brain rely on analog signals and which rely on digital signals.
Sure, lithium-ion batteries have risks, but so do gasoline-powered cars.
A study suggests the EPA is greatly underestimating greenhouse-gas emissions from natural-gas production.
Light harvesting in plants and bacteria cannot be properly explained by classical processes or by quantum ones. Now complexity theorists say the answer is a delicate interplay of both, an idea that could transform computation.