In the garden of Tudor Place, the house museum in Georgetown, an 18th Century sundial is framed by a saying that begins: “With warning hand I mark time’s rapid flight.” Except, it doesn’t. Or not with ...

A few weeks ago during a visit to a friend, I decided to take advantage of his computer and have a look on E-bay to see whether there was anything interesting being offered for sale. I noticed a brass ...

The back of an ancient sundial reveals a cheat sheet of locations and latitude coordinates. © Science Museum / Science & Society Picture Library It’s the four or ...

In modern times, clocks underpin everything people do, from work to school to sleep. Timekeeping is also the invisible structure that makes modern infrastructure work. It forms the foundation of the ...

There are many more sundials in the local area, but University of Washington astronomy professor Woody Sullivan says these are particularly worth viewing: • University of Washington, Physics/Astronomy ...

Adrian Cozzani is a self-described "time artisan" who has dedicated his life to handcrafting hourglasses, sundials, and other timepieces. He opened his store and workshop, Polvere di Tempo — meaning ...

Markus Lutz is CTO and Founder of SiTime Corporation. He is a MEMS expert, a prolific entrepreneur and inventor who holds over 100 patents. If there is one thing that modern society has in common with ...

We see a lot of clocks, and many of the better ones have some 3D printed elements to them. But [Carl Sabanski] shows us his kits for making sundials for either hemisphere using a conventional printer ...