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 ...

As Barbie once famously said, “Math class is tough.” She stopped saying it pretty quickly because everybody worried she was propagating negative stereotypes about girls, but let’s face facts: it’s ...

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 ...

The Albert Clock is an ingenious wall clock that uses math problems to tell owners what time it is ...

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?

This lesson uses a clock to develop a stronger understanding of fractions This lesson uses a clock to develop a stronger understanding of fractions ...

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 ...

Hackaday likes clocks, a lot. Speaking personally, from my desk I can count at least eight clocks, of which seven are working. There’s normal quartz movement analog clocks, fun automatic wristwatches, ...

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 ...

The hour, minute and second hands of this clock are all the same length and move smoothly in a circle. The dial contains hour and minute markers, but the numbers are missing. Therefore, it’s ...