Gizmag has an involved descriptionof how these various systems would work, but the crucial point is that the technology already exists, just at a lower scale.
The extraordinary nature of his life is revealed in these events, and the brilliance of his work as a playwright is chronicled through Keane's descriptionof his plays.
In his report, Flt Lt Cowan did mention the possibility that "a local prankster" was at work, and when contacted recently, he said the descriptionof aliens from many witnesses "fitted exactly the type of protective suit that would be used in the event of a fire at one of the local oil refineries at Milford Haven".