Abstract: Inter-satellite clock synchronization is critical for maintaining consistent timing across low Earth orbit (LEO) constellations. Conventional Kalman-filter-based methods often ignore ...

A lot of the time, we must assign our own meaning to the numbers on the clock. 8:30 AM is work kicking off, 12 PM is lunch, ...

Google is making minor improvements to Android’s default Clock app, including new weather icons. The update also refines the alarm screen for better usability. These features are already rolling out ...

In the months following Elon Musk’s $44 billion acquisition of Twitter in 2022, my experience with the platform (and perhaps yours too) got quickly, dramatically worse. My algorithmic timeline, better ...

The Doomsday Clock—a symbolic device to signal an array of existential threats to the world since 1947—was recently moved to 85 seconds before midnight, the closest it has ever been to midnight. And ...

People say it every day without thinking ― “two o’clock,” “six o’clock,” “eight o’clock sharp.” But what is the purpose of that little “o” and apostrophe? Is it short for something? Why do we only use ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Per- and polyfluoroalkyl substances (PFAS) are packed into countless useful everyday items, such as non-stick frying pans, water-resistant raincoats, food packaging, and cleaning products. The ...

Quantum computers—devices that process information using quantum mechanical effects—have long been expected to outperform classical systems on certain tasks. Over the past few decades, researchers ...