The mythbuster team tests the energy effiency of different lightbulbs to bust the myth that leaving lightbulbs on permanently is more efficient than turning them off when you leave a room.The mythbuster team tests the energy effiency of different lightbulbs to bust the myth that leaving lightbulbs on permanently is more effici...all »The mythbuster team tests the energy effiency of different lightbulbs to bust the myth that leaving lightbulbs on permanently is more efficient than turning them off when you leave a room.«
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