Martin Gardner Quote

In physics and chemistry, like all other branches of science, there is never a sharp line separating pseudo-scientific speculation from the theories of competent men.

Fads and Fallacies in the Name of Science, Chapter 7 (p. 80)

In physics and chemistry, like all other branches of science, there is never a sharp line separating pseudo-scientific speculation from the theories...

In physics and chemistry, like all other branches of science, there is never a sharp line separating pseudo-scientific speculation from the theories...

In physics and chemistry, like all other branches of science, there is never a sharp line separating pseudo-scientific speculation from the theories...

In physics and chemistry, like all other branches of science, there is never a sharp line separating pseudo-scientific speculation from the theories...