Russian Science & Space Heroes ~ Kardashev's Scale

Thinking about Yuri Gagarin reminded me of Sergei Korolev and Konstantin Tsiolkovsky. And those three got me thinking about just how many remarkable Russians have imagined and inspired and engineered us to a better future beyond our cradle planet earth. One perhaps less known is astrophysicist Nikolai Kardashev, creator of the Kardashev Scale...

...a general method of classifying how technologically advanced a civilization is. [...] The scale has three designated categories called Type I, II and III. These are based on the amount of usable energy a civilization has at its disposal, and the degree of space colonization. In general terms, a Type I civilization has achieved mastery of the resources of its home planet [~10¹⁶ Watts], Type II of its solar system [~10²⁶ Watts], and Type III of its galaxy [~10³⁶ Watts].