Hypersonic fire extinguisher ready for action

In a test carried out on Wednesday, it took Telesto just 14 seconds and 18 liters of water to extinguish fire of a tone of edible oil, one of the trickiest substances to extinguish. "I'm really impressed, " said Sean T. O'Rourke of FM Global. The system utilizes pressurized mist obtained from a stream of air blowing at three times the speed of sound. Customers from all over the world are now lining up (Gazeta Wyborcza, p. 30) R.M.