Nonlinear phenomena are phenomena, which, in contrast to a linear system, cannot be explained by a mathematical relationship of proportionality (that is, a linear relationship between two variables).

FECHNER'S law, that sensation intensity is proportional to the logarithm of the intensity of the stimulus divided by its absolute threshold value (E = klog(R/R 0)) presupposes that there is a ...

“You can’t fix a lake with parts from Fleet Farm,” said Peterson. “That’s why we, as a society, must keep nature’s fish factory intact.” To Peterson, that means maintaining clean ...