The week in physics: Climate change indicators break records; Nobel laureates against nuclear war

The week in physics: 8–12 September ADVERTISEMENT 872 Series High-Resolution Laser Wavelength Meter Bristol's 872 Series is ideal for the frequency stabilization of lasers. This system offers a frequency resolution as high as 200 kHz, resulting in exceptional sensitivity to wavelength deviations. With a built-in PID controller and 1 kHz sustained measurement rate, the 872 system is well suited for applications such as atomic cooling and trapping. Learn more: bristol-inst.com Major climate change indicators broke records in 2024 A report authored by hundreds of climate scientists worldwide documents surface temperatures, humidity, glacier mass, and more. Jenessa Duncombe Nobel laureates issue declaration for the prevention of nuclear war They outline measures that world leaders, scientists, and the public can take to reduce the threat. Toni Feder ADVERTISEMENT Access The Most Prospective Grad Applicants—Closing Soon! Your grad recruiting solution awaits at the 2025 Physics & Astronomy Congress Grad Fair in Denver, CO on Oct 30–Nov 1. Showcase your grad program to the largest gathering of physics & astronomy students, before sales close. Hurry! Learn more about grad fair options and discounts. From the vault: September 2017 How Nobel favorites have fared Over the first six and a half decades, the leading vote-getters received the award that same year less than half the time. Andrew Grant You might have missed Political currents The Eisenhower administration dismissed the director of the National Bureau of Standards in 1953. Suspecting political interference with the agency's research, scientists fought back—and won. Joseph D. Martin Percentage of physics bachelors who begin at two-year colleges remains steady Tonya Gary Post a Job Get Job Alerts Browse All Jobs Cluster Hire in Neuroscience University of Notre Dame (Notre Dame, IN) View Job Assistant Professor - Experimental Nuclear Physics Iowa State University (Ames, IA) View Job Tenure-Track Assistant Professor in Physics Villanova University (Villanova, PA) View Job Department of Chemical Engineering Faculty Opening Stanford University (Stanford, CA) View Job Multiple Tenured/Tenure-track Faculty Positions in Microelectronics Design and Nanoscale Engineering Indiana University Bloomington (Bloomington, IN) View Job Instrument Scientist (f/m/d) European XFEL GmbH (Schenefeld, Germany) View Job Physics Today is published by the American Institute of Physics. To manage your AIP email preferences and newsletter subscriptions, click here. Or unsubscribe from all AIP emails. © 2025 American Institute of Physics. Physics Today 1 Physics Ellipse College Park, MD 20740-3842 +1 301 209 3100