The best of the rest from the Physics arXiv preprint server.
The way your smartphone uses power provides a simple way to track it, say computer scientists who have developed an app to prove it.
Touch feedback that’s more nuanced than a simple buzz could make virtual reality more real and cars safer.
A nonprofit experiments with using digital currency to give poor teenagers their first experience of financial services.
Another chance to catch the most interesting, and important, articles from the previous week on MIT Technology Review.
A roundup of the most interesting stories from other sites, collected by the staff at MIT Technology Review.
Nanostructured sheets of silicon can bend light in unusual ways, eliminating the need for bulky lenses.
A simple but powerful app offers a “Do” button that can bend Internet services and gadgets to your will.
The chemical company BASF says the basic type of battery used now in hybrids could be improved tenfold, leading to cheaper electric cars.
Take 20 scandium atoms, 60 carbon atoms, arrange in a volleyball-shape and, voila!