Can you remove an O2 sensor with a standard wrench? Learn when you need a special socket, what's in a kit, and how thread chasers can save your DIY project.

… but our independent journalism isn’t free to produce. Help us keep it this way with a tax-deductible donation today. Now that Gov. Tim Walz has announced that he will not seek a third term, who are ...

Avoid shopping (except food and gas) or major decisions from 5:30 PM to 7 PM EST today (2:30 PM to 4 PM PST). After that, the Moon moves from Scorpio into Sagittarius. Mimi Thorisson features a year ...

Where next? Quantum metrology, fusion and medical physics are three hot topics to be featured on Physics World Live this year. (Courtesy: iStock/shutter_m) I used to set myself the challenge every ...

Abstract: Three-dimensional perception is a key technology for many robotics applications, including obstacle detection, mapping, and localization. There exist a number of sensors and techniques for ...

Abstract: This work presents a miniaturized electrochemical sensor-integrated bioprocess monitoring pod (bPod) that wirelessly monitors local dissolved oxygen (DO) saturation within bioreactors in ...

November 24, 2025 • Our annual reading guide returns with 380+ new titles handpicked by NPR staff and trusted critics. Find 13 years of recommendations all in one place — that's more than 4,000 great ...

Previously-published Sea Ice Today analysis posts will remain online. The discontinued Sea Ice Today products will no longer update or be maintained, and will be removed in November or December 2025.

Galilean School of Higher Education, University of Padova, 35122 Padova, Italy ...