Stories by Paul G. Richards

Paul G. Richards is Mellon Professor, emeritus, of the Natural Sciences; and a Special Research Scientist at Columbia University.

Policy & Ethics

Scientists Must Rise in Defense of Democracy

Now is the moment to act so that we never have to experience an authoritarian version of the U.S.

October 2, 2020 — Robert Goldston, Zia Mian, Ali Nouri, Stewart Prager, Paul G. Richards, Andrew Rosenberg, Lynn R. Sykes and Frank von Hippel | Opinion

Physics

Advances in Monitoring Nuclear Weapon Testing

Detecting a test of a nuclear weapon has become so effective and reliable that no nation could expect to get away with secretly exploding a device having military significance

March 2, 2009 — Paul G. Richards and Won-Young Kim

The Sciences

50 Years of Nuclear Testing and Monitoring

A timeline of nuclear testing from the Manhattan Project through today

March 2, 2009 — Paul G. Richards and Won-Young Kim