You don’t see them much anymore, but there was a time when any hobbyist who dealt with RF probably had a grid dip meter. The ...

This overview chapter presents the evolution, outlook, and risks from global external positions and summarizes the external assessments of a globally representative set of economies for 2018, which ...

Handheld light meters used to be a photography staple, but as cameras with built-in light meters became both more prevalent and reliable, these devices became increasingly obsolete for everyday use.