Phase-coherent lasers are crucial for many precision tasks, including timekeeping. Here on Earth the most stable optical ...

Using a single GPIO port on a microcontroller to control N bits of arbitrary parallel binary outputs, e.g., a multi-digital display.

A lot of making goes on in this community these days, but sometimes you’ve just gotta do some old fashioned hacking. You might have grabbed an old Speak and Spell that you want to repurpose ...

Even though they may not use beeps or music, the best silent alarm clocks are just as effective as their traditional, noisy counterparts. Silent alarm clocks are the best alarm clocks for very heavy ...

Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...

As daylight saving time gets closer and Americans get ready for clocks to "spring forward" for 2026, the time change will affect most of the U.S. — but there are two states and several territories ...

The twice-yearly ritual has roots in cost-cutting strategies of the late 19th century. Efforts to end it have stalled in Congress. By Alan Yuhas Hello. You may be here to learn when daylight saving ...