Faster-than-light particles have spent decades in physics as both temptation and warning. They offered a way to test the limits of Einstein’s relativity, but they also seemed to wreck the basic order ...

Traditional causality detection methods, such as Granger causality and transfer entropy, require regularly sampled time series, make assumptions of linearity, or need very large datasets. This makes ...

Complex systems in nature, society and technology are rarely static but typically have time-varying network topologies. The increasing availability of high-resolution data on time-stamped or ...

Classical (as opposed to quantum) physics rests on the assumption that all physical quantities have well-defined values simultaneously. Relativity is based on clear-cut physical statements: the speed ...

Like a parent being pestered with endless questions from a young child, most people will now and again find themselves following an infinite chain of cause and effect when considering what led to some ...