This project combines a sand timer with a rotating mechanism and an optical beam through the center of the timer to observe the falling sand as they create a USB Hourglass. This project combines a ...

One of my fondest childhood memories is playing games with friends and families using an hourglass sandtimer to count down the minutes. Games like Boggle and Taboo were made all the more fun because ...

Situations where hourglasses are useful in daily life, and 5 items that suit each oneHave you ever had the experience of ...

If you want to get your children to stick to their game time, it works better to make physical timers like hourglasses or ...