High Quality Content by WIKIPEDIA articles! The Kardashev scale is a method of measuring a civilization's level of technological advancement, based on the amount of energy a civilization is able to utilize. The scale has three designated categories called Type I, II, and III. A Type I civilization uses all available resources impinging on its home planet, Type II harnesses all the energy of its star, and Type III of its galaxy. The scale is only hypothetical and in terms of an actual civilization, highly speculative; however, it puts energy consumption of an entire civilization in a cosmic perspective. It was first proposed in 1964 by the Soviet astronomer Nikolai Kardashev. Others have extended the scale to even more hypothetical Type IV beings who can control or use the entire universe, or Type V that control collections of universes. Metrics other than pure power usage have also been proposed, such as 'mastery' of a planet, system or galaxy rather than considering energy alone, or...

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