TL;DR: Nintendo's new alarm clock, Alarmo, can run the classic game Doom, as demonstrated by GaryOderNichts. The game runs ...

Amazon’s speedy smart speaker can be set up so that it gently wakes you up with music instead of typical alarm clock sounds, ...

A few days after describing how it was possible to load custom firmware on a Nintendo Alarmo, GaryOderNichts shared a video ...

Smoke detectors (not just their batteries) have a temporary shelf life. Find out how long yours will last, and how to know it's time for a full replacement.

The sole purpose of a watch is to keep track of the time, and Dan McAdams created The Time Traveler so people don’t have to ...

The “Change Your Clocks ... on the exterior alarm and wait for it to respond. If your detector is not responding, check the batteries to make sure they’re still good. If not, replace them as soon as ...

Alkaline batteries are more affordable than lithium batteries and great for use around your house. Here are CNET's picks of the best alkaline batteries. Laboratory Technical Project Manager ...

However alarm clocks, car radios and other devices without an internet connection will need to be adjusted manually. A simple way to remember which way the clocks change is to think 'fall back ...

When is daylight saving time? Daylight saving time starts on the second Sunday of March, when clocks spring forward an hour. Clocks will fall back an hour – so we will gain an hour – on Nov. 3 ...

I have always had an adversarial relationship with alarm clocks. They are gadgets designed to ruin my most precious time, and in order to work effectively, they must be as annoying as possible.

We are often warned against sleeping with our phones anywhere near us – both for health reasons as well as the effect of blue light on our sleeping pattern – and a wake-up alarm clock offers ...

Lead-acid batteries, common in most gas-powered cars, are a type of aqueous water battery. The large and heavy power packs provide a short burst of energy for the starter, but the Stanford team said ...