Scientists Use 'Dyson Sphere' Signature to Search for Potential Alien Life

Decades ago, physicist Freeman Dyson theorized that a shell made of solar panels that surrounds a star would be the ultimate energy solution for an advanced civilization."One should expect that, within a few thousand years of its entering the stage of industrial development, any intelligent species should be found occupying an artificial biosphere which completely surrounds its parent star.", Freeman Dyson, 1960 paper, via CNN.