Moments of Discovery is the latest online exhibit from AIP’s Center for History of Physics. Two discoveries are featured: nuclear fission and pulsed optical emission from the Crab nebula. The Crab discovery is especially illuminating. On the night of the discovery, 15 January 1969, a tape recorder captured the conversation among the three discoverers, John Cocke, Michael Disney, and John McCallister. You can listen to those conversations at the exhibit.
Oceanographer Steven Baum of Texas A&M University has compiled an online Glossary of Physical Oceanography and Related Disciplines. A work in progress, the glossary contains more than 4300 entries—from “AABW” (an abbreviation for “Antarctic Bottom Water”) to “Zoppritz, Karl” (a pioneering German fluid dynamicist).
The NIST Chemistry WebBook is an extensive repository of physical chemistry data. Among its holdings are thermochemical data for over 7000 organic and small inorganic compounds, infrared spectra for over 16 000 compounds, mass spectra for over 15 000 compounds, and thermophysical data for 34 fluids.
An ultracold atomic gas can sync into a single quantum state. Researchers uncovered a speed limit for the process that has implications for quantum computing and the evolution of the early universe.
January 09, 2026 02:51 PM
This Content Appeared In
Volume 56, Number 11
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