An underrated feature in Google Maps is the ability to measure the distance between two or more points. It can aid tremendously with planning, whether you’re aiming to walk or go on a road trip.

One of the most frustrating hobbies I ever took up was archery, but not because it’s hard to hit a target on the wall (it is, but I got pretty good at that). My problem was that one of the popular ...

Cepheid variable stars exhibit regular pulsations whose period directly correlates with their intrinsic brightness (absolute luminosity). The Leavitt law establishes this relationship between ...