The friendship paradox is the empirical observation that your friends have more friends than you do. Now network scientists say your friends are probably wealthier and happier, too.
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Smart fridges have never been good enough to make a difference. But a team of Korean scientists hope to change that with a new approach to the problem of making kitchen coolers clever.
The best of the rest from the arXiv preprint server.
An exotic new form of propulsion could send a spacecraft to Uranus in the time Galileo took to get to Jupiter less than half as far away, say rocket scientists.
A smartphone app inspired by Greek mythology has the potential to help the blind navigate indoors where GPS is unavailable.
Computer scientists have developed an algorithm that works out a vehicle's destination using only its starting location and speed throughout its journey.
Google can identify and transcribe all the views it has of street numbers in France in less than an hour, thanks to a neural network that's just as good as human operators. Now its engineers reveal how they developed it.
In July, an analysis of the most highly contested articles on Wikipedia revealed the controversies that appear invariant across languages and cultures.
In October, nanotechnologists designed and built a disk that can store data for a million years or more.
In September, network theorists working for the US military worked out how to identify the small “seed” group of people who can spread a message across an entire network