Aircraft safety is now a big issue. Hundreds of lives can be lost at one time due to small mistakes or failures. If the plane is inevitabaly going to crash and there is no way to stop it, at present the only thing to do is to sit tight and hope you survive. My idea is as follows: There is a device (a larger version of a pilot ejection seat) that blasts the whole passenger compartment away from the wings and engines. The rocket propellors are situated at the front and the back of the...