A firewall is a network protection solution designed to prevent unauthorized access to or from a private network by establishing a barrier between your internal network and incoming traffic from external sources (such as the internet) .  It is a network security device that monitors incoming and outgoing network traffic …

Measurement connects the world of quantum phenomena to the world of classical events. It has both a passive role—in observing quantum systems—and an active one, in preparing quantum states and controlling them. In quantum physics, a measurement is the testing or manipulation of a physical system in order to yield …

Stealth has revolutionized the Air power by vastly enhancing the penetration capabilities of fifth generation aircrafts like the F-22A Raptor developed by Lockheed Martin and Boeing, L.M. F-35 Lightning II. Stealth in military is often described to mean, all the methods, techniques and measures intended to deny or delay the …