We have become amphibious in time. We are born into and spend our childhood in one world; the years of our maturity in another. This is the result of the accelerating rate of change. B. W. Aldiss
An explosion followed by a fire occurred in a 1000 m3 fixed roof storage tank which was one-third full of a volatile hydrocarbon (Figure 6.1). The roof was blown off the tank but remained attached at one point. Application of the theoretical quantity of foam from hoses failed to extinguish the fire, either because the foam dried out before it reached the