People visiting the Cache Creek Nature Preserve will now be able to tell the time of day without looking at their cell phones. Well, the time may not be exact, but it should be close enough. Oh, and ...

You don’t get much more old school than a sundial, and more new school than 3D printing. So, it is nice to see these two combined in this impressive project: the 3D printed digital sundial.

IN these days of accurate clocks and watches no one thinks of using a sun dial to tell the time of day. At best such an instrument can be right but four times a year, and in many places it can ...