THE DOUBLE RAINBOW: Just in the nick of time I recently experienced this rare phenomenon. It was a clear day and only for the second time in my life, was I fortunate to lift my gaze toward the beauty of a Double Rainbow. The most visible Rainbow was a perfectly formed arch, stretching from the north-east and curving to the edge of the south-eastern sky. The Sight hung long enough for a snap-shot I took as a sudden shower of rain blew by. I thought I could take a clearer shot