I own a digital 24-hour clock (i.e., a military time clock) that displays in HH:MM format. Each digit uses the standard seven-segment display in which seven lights toggle on or off to form numbers, as ...

I am a slave to my alarm clock. It ticks out the minutes and hours I am allotted for sleep, and then wrests me from dreamland with a jangle whose volume is set high enough to revive the comatose.

Now, we will use the value of 1 caterpillar (with 5 nodes and 1 flower) to solve the next rows of problems. Row 2: Now, we have 1 clock (with 6’o clock) + 1 clock (with 6’o clock) + 1 caterpillar = 19 ...

Welcome to CHEAP, our series about things that are good, but most of all, cheap. CHEAP! You might think the world is complicated enough and there’s no need to make basic tasks harder, right? Right?

We’ve all seen LED clocks where RGB LEDs are used to display time. It seems like the simpler the interface, the more likely you’d need to do math to figure out the time. This Octal Clock by [Alex ...

If you want to know what time it is, you’ll have to do a little work with this clock. Meet Albert, a wall clock for children that breaks down the current time into math problems. Named after Albert ...

Some people like a little challenge in the morning, and that’s what Philippe Chretien hopes to offer with his new device. He is the man behind the Fibonacci Clock, which is exactly what it sounds like ...

For centuries, math problems have usually lulled sleep-deprived souls to sleep, but one app-maker is betting they’re just the ticket to wake you up. A new alarm-clock app rouses tired users by making ...

We've seen some fairly sinister alarm clocks in our day -- ones that fly around, nearly make you go deaf and "explode" if you don't get up in time, for starters -- but this DIY creation is definitely ...

This analog clock has a twist: the only number appearing on the clock face is nine, but it's calibrated correctly once you do the math. Stephen Shankland worked at CNET from 1998 to 2024 and wrote ...