Toward a Type 1 civilization

In a 1964 article on searching for extraterrestrial civilizations, the Soviet astronomer Nikolai Kardashev suggested using radio telescopes to detect energy signals from other solar systems in which there might be civilizations of three levels of advancement: Type 1 can harness all of the energy of its home planet; Type 2 can harvest all of the power of its sun; and Type 3 can master the energy from its entire galaxy.  Fossil fuels won’t get us there. Renewable sources such as solar, wind and geothermal are a good start, and coupled to nuclear power could eventually get us to Type 1.  Yet the hurdles are not solely — or even primarily — technological ones. We have a proven track record of achieving remarkable scientific solutions to survival problems — as long as there is the political will and economic opportunities that allow the solutions to flourish. In other words, we need a Type 1 polity and economy, along with the technology, in order to become a Type 1 civilization.

Site – http://www.latimes.com

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