100 Years of Physics

Albert Einstein was awarded the Nobel Prize based on three papers that shook the world of physics and spawned a completely new understanding of how the world works. In each of these three Webcasts, Exploratorium Staff Scientist Paul Doherty will explain Einstein's key discoveries and their impacts on our views of science, reality, and the universe.

The Existence of Atoms
Using a simple ball-bearing model, Paul will demonstrate Brownian Motion and explain how it proved the existence of atoms.
August 5, 2005 2:00 p.m. PDT

Inventing Photons
Paul will take us through the Photoelectric Effect and the “invention” of photons.
August 11, 2005 2:00 p.m. PDT

Creating Space-Time
The concept of Space-Time —perhaps Einstein's most fundamental contribution to our understanding of the
August 19, 2005 2:00 p.m. PDT
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