Wall clocks! Are they very accurate? Well, sometimes they are, and sometimes they lose minutes a day. If you’ve got one that needs calibrating, you might like this device from [Lauri Pirttiaho]. Most ...

Add Yahoo as a preferred source to see more of our stories on Google. alarm-clock-group-product-photo-1 Many people need to set an alarm to wake up on time in the morning. But using your phone for ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more No one likes getting up in the morning — unless you're an early bird — but a good alarm clock makes waking ...

If our doctors had their way, we would go to sleep every day well before midnight — our phones, tablets, and TVs nowhere in sight — and we’d wake up the next morning from the sunshine streaming ...

You can buy all kinds of conventional clocks that have hands and numbers for easy reading. Or, like [Fabio Ricci], you could build yourself something a little more esoteric, like this neat shadow ...