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Sci-Fi Science: Physics of the Impossible Season 1 Episode 3

The crosshairs are lined up, a death ray is fired and a planet is vaporized. Sci fi fantasy? Not according to Dr Michio Kaku, who draws up blueprints to show how a real death star might work. The technology could be here sooner than you think!

Episode Title: How to Blow Up a Planet

Air Date: 2009-12-08