So how does a sunrise alarm clock work? Instead of instantly flooding your room with bright light, it gradually brightens over time, simulating dawn. This creates a soothing transition from sleep ...

MacKnight, Trinity Episcopal Cathedral’s music director, is performing all of Bach’s organ works throughout 2025 — one lunch break at a time. The ambitious plan entails performing 18 hours ...

Are you ready for more sunlight in your day? Daylight saving time is on track to start this spring, adding hours of daylight to our usable time in most U.S. states. Supporters say the change cuts ...

Are you ready for more sunlight in your day? Daylight saving time is on track to start this spring, adding hours of daylight to our usable time in most U.S. states. Supporters say the change cuts ...

Abstract: High-performance atomic clocks provide the foundation for precise time measurement. Common high-performance atomic clocks in time-keeping laboratories include hydrogen masers and cesium ...

As convenient as it might be to use your phone as an alarm clock, standalone alarm clocks come with all kinds of features that can make waking up — or even going to sleep — a little less painful.

During testing, I woke up on time and felt refreshed every morning. This device is not only an effective sunrise alarm clock but also a great bedside lamp, with a great FM radio and sound quality.

Here’s a closer look at how the clock was created and how the time is determined. It’s a symbolic way of showing the public how close the Bulletin of Atomic Scientists believes the world is to ...

Over the last 78 years, the clock’s time has changed according to how close scientists believe the human race is to total destruction. Some years the time changes, and some years it doesn’t.