Energy sources

theorical process wherein energy can be extracted from a rotating black hole

thumb|A group of small-scale Small wind turbine|wind turbines providing electricity to a community in Dali, [[Yunnan, China]]

hypothesis that industrial civilization (as defined by per capita energy production) will have a lifetime of less than or equal to 100 years (1930–2030)

primary energy sources from which secondary energy for direct use is produced

estimated maximum capacity for energy production on Earth

attempts to harvest energy of lightnings

physical effect when bosonic field impinging on a rotating black hole