Landmarks is a series of brief, lay-language stories about seminal papers from the Physical Review archives. The latest story describes the invention of the cyclotron, which made its debut in a 1931 paper by Ernest Lawrence and Stanley Livingston.
Published by the American Meteorological Society, the Glossary of Meteorology explains more than 12 000 terms used in weather and climate science—from “AABW” (an abbreviation for Antarctic bottom water) to “Zürich number” (a measure of sunspot activity).
On 1 July, after a seven-year journey, the Cassini–Huygens spacecraft crosses the plane of Saturn’s rings and enters orbit about the giant planet. You can learn more about the mission and track its progress on the mission’s extensive, multimedia Web site.
Despite the tumultuous history of the near-Earth object’s parent body, water may have been preserved in the asteroid for about a billion years.
October 08, 2025 08:50 PM
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Physics Today - The Week in Physics
The Week in Physics" is likely a reference to the regular updates or summaries of new physics research, such as those found in publications like Physics Today from AIP Publishing or on news aggregators like Phys.org.