The holidays always remind us of our favorite toys from when we were kids. Johnny Astro, an Erector set, and — of course — a Spirograph. [CraftDiaries] has an Arduino machine that isn’t quite a ...

These days, most of us have a smartphone. They are so commonplace that we rarely stop to consider how amazing they truly are.

A branch of geology and earth sciences, stratigraphy is a field of study that deals with the arrangement and succession of strata (layers) in the Earth. Additionally, it involves the origin, ...