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).

It's a freak of nature phenomenon that's going on," he said. "He's still playing at such a high level. And for him to be able to share that with his son is remarkable." The long-awaited moment ...

OPTICAL phenomena of a peculiar nature appeared here on the 25th and 26th inst. On the 25th, shortly before sunset, the atmosphere, which was exceedingly clear except in the west, was suffused ...

As an intense week of weather wraps up for the Pacific Northwest and Northern California, Mother Nature has one last ... And this rare phenomenon is actually happening in two places at once ...

Science is constantly evolving, and one MIT professor and physicist wrote a book about some of nature’s wonders, such as ...

It's a freak of nature phenomenon that's going on," he said. "He's still playing at such a high level. And for him to be able to share that with his son is remarkable." The long-awaited moment ...