Viking halberd Viking halberd The term "halberd" has been used to translate several Old Norse words relating to polearms in the context of Viking Age arms and armour, and in scientific literature about the Viking age. In referring to the Viking Age weapon, the term "halberd" is not to be taken as referring to the classical Swiss halberd of the 15th century, but rather in its literal sense of "axe-on-a-pole", describing a weapon of the more general glaive type. In English translations of sagas, "halberd," "bill," or other terms have been used to translate several different Old Norse words. It is thus
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