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 ...

Following is a transcript of an episode of Business Insider Today. Sundials, hourglasses, and hundreds of other handcrafted items line the shelves at Adrian Cozzani's store. He has been making ...

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 ...

GRAND RAPIDS — In elementary school we all learn how to tell time on a clock….but have you ever learned how to tell time using the sun? Today we are going to learn how to make and use a sundial! So ...

Curator Peggy Kidwell solves the mystery of a pocket sundial from the 1600s Peggy Aldrich Kidwell and Sara J. Schechner First, a bit of background on sundials. From ancient times, people have used ...