He walked along wondering whether it was a psychological or physical phenomenon.

This physical phenomenon is very interesting but difficult to adopt for common applications.

A purely physical phenomenon, of which the following is the explanation.

Was Alexandria then, from beginning to end, merely a natural and physical phenomenon?

Every physical phenomenon is the necessary effect of the causes that determined it beforehand.

In fine, there is here a normal, physical phenomenon.

This was a pioneering mathematization of a physical phenomenon.

And now he turned the light of these discoveries upon the darkest physical phenomenon of that day.

His presence overwhelmed every other physical phenomenon.

So it is all a physical phenomenon?

This and other works seek to turn information into a physical phenomenon for people to see and experience.

As long as I framed environmental illness as a physical phenomenon, Snowflakers were happy, even eager, to communicate.

Although Zhang's department studies abnormal animal and physical phenomenon, results have shown a poor correspondence to actual earthquakes.

No physical phenomenon shows anything similar.

That if there be a Supreme Reason, he must have reason, and that a good reason, for every physical phenomenon.

A century later railways had spanned our entire planet - a physical phenomenon quite unlike anything our species had ever seen.