Pollaxe Pollaxe The pollaxe is a type of European polearm. It was widely used by medieval infantry. It is also known by the names poleaxe, pole-axe, pole axe, polax, and Hache (French meaning axe). The term has become synonymous with felling or striking down with delivery of a blow. Weapons such as the halberd, bardiche, and Danish axe are sometimes mistakenly called pollaxes as they are indeed axes mounted on poles, but many etymological authorities consider the "poll"- prefix historically unrelated to "pole", instead meaning "head". However, some etymologists, including Eric Partridge, believe that the word is derived from "pole". The
Types of beacons Types of beacons Beacons are small devices that enable relatively accurate location within a narrow range. Beacons periodically transmit small amounts of data within a range of approximately 70 meters, and are often used for indoor location technology. Compared to devices based on Global Positioning System (GPS), beacons provide more accurate location information and can be used for indoor location. Various types of beacons exist, which can be classified based on their type of Beacon protocol, power solution and location technology. In December 2013, Apple announced iBeacon: the first beacon protocol in the market. iBeacon works with Apple's iOS and