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 ...

The steady methodical flow of sand through an hourglass as it succumbs to the pull of gravity is a great way to kill time—but not a very productive one. This clever alternative hopes to change that, ...

Decades-old mathematics might finally explain some features of the 'oddballs' of matter: granular materials that sometimes behave like a solid, and at other times flow like a liquid. Strange as it ...

Not quite as DIY-looking as the other digital hourglass, this Digital Timer combines computing technology with century old stylings to make for one dorky looking desk gadget. It has a 100 minute timer ...