Einstein formula of relativity on a blue background
History of Science

Einstein’s Equivalence Principle: Expanding Our View on Gravity

October 20, 2019

The special theory of relativity, brilliant as it was, still had some holes to account for after its initial conception. Einstein’s equivalence principle would help to address these issues, though the equations would take years to refine. Discover how Einstein’s findings challenged conventional beliefs about the nature of gravity as well as geometry. […]

Periodic Table Chemical Concept with Men Touching Some Element by His Finger

Building the Periodic Table

January 9, 2017

The periodic table is the chemist’s playground—an icon of science that’s found on classroom walls around the world. It’s one of the most powerful conceptual tools in all of science, yet it didn’t spring forth all at once. […]

Photograph of Albert Einstein during a lecture in Vienna in 1921
History of Science

Einstein’s Experimental Elevator

December 14, 2016

In 1907, physicist Albert Einstein devised what we now call the “elevator” thought experiment, in which he dreamed up the idea of having an entire physics laboratory inside a falling elevator. The result of Einstein’s experimental elevator experiment was nothing less than the principles underlying the General Theory of Relativity. […]

Ptolemaic-geocentric-model (Image: Unknown/Public domain)
History of Science

The Birth of Modern Science

December 14, 2016

By Steven L. Goldman, PhD, Lehigh University One enduring mystery of modern science is why it developed where and when it did. Had modern science emerged in late Greco-Roman antiquity, […]

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