“For a second, let your mind swim in imagination. You’re in Norway; in the northern hemisphere. It’s cold and dark with a soundlessness aura around you. On the spur of the moment, you see green, red, yellow and violet lights dancing in jaunty bloom. A muted yet soothing dance. The northern hemisphere surely offers the aurora a dancing floor! No one can ever ignore such a hypnotically pleasing field of vision. Can you? Oh no, you can’t! Well, welcome to…