A diplexer combines or separates two frequency bands so they can share one cable. Learn how it differs from a splitter and where it is used.

A scout scope is a low-power rifle optic mounted forward of the action. Learn its purpose, benefits, limits and how it differs from a normal scope.

A backplane is a circuit-board assembly that connects several modules through shared power and data paths. Learn how passive and active backplanes work.

A WebQuest is a structured learning activity in which students use selected online sources to solve a task. Learn its parts, benefits and limits.

A scrim is a light woven material used in theatre, film, construction and manufacturing. Learn how stage scrims reveal scenes and how other scrims add strength.

A skybox is a private premium seating suite in a stadium or arena. Learn what it includes, how it differs from a club seat and what it can cost.

A master teacher is an experienced educator recognised for strong classroom practice and leadership. Learn how the title varies and what the role involves.

A service technician installs, maintains and repairs equipment at customer or business sites. Learn the duties, skills, pay factors and career routes.