Bardiche 2 feet (60 cm)) the shaft was one of the shortest of all polearms; rarely did it exceed 5 feet (1.5 m) in length. It relied more on the weight of its heavy blade to do the damage than a swing from a long pole. This makes the bardiche more similar to the Danish axe, in some respects, than to a true polearm. In Russia and in Poland this weapon was used to rest handguns upon when firing. It was standard equipment for the Streltsy (literally "shooters") corps (foot, mounted and dragoons) and also for the Polish infantry (shorter version
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