The pattern of damage was similar to the pattern of big-storm frequency uncovered by Dr Elsner.

ECONOMIST: Eye on the storm | The

Both sending and receiving stations would, however, need some mechanism to encode and control the frequency-hopping pattern.

ECONOMIST: Player-piano pioneer

It could change the frequency of the Pacific pattern known as El Nino, a cycle of peculiar weather that affects ocean currents and rainfall across the planet.

NPR: Pacific Island Cultures Brace for Climate Change