Current systems that use cameras to monitor drivers can only pick up changes in physical behaviour, which is potentially too late to avert problems. (canadianbusiness.com)
[7, 8] For some, corporal punishment or physical punishment includes physical behaviour used for discipline that is not severe enough to be considered physical abuse. (cmaj.ca)
«Models in different dimensions or with different kinds of symmetries show very different physical behaviour. (sciencedaily.com)