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Kardashev Scale

All articles tagged with #kardashev scale

science1 day ago•202 min saved

Musk’s Kardashev Dream: Could SpaceX Satellites Spark a Type II Civilization?

Elon Musk cites the Kardashev scale—the energy-based framework for classifying civilizations—to frame SpaceX’s plan for up to a million satellites as a first step toward a Type II civilization powered by space-based solar energy; the piece explains the scale’s history (Kardashev’s original three types and Carl Sagan’s refinements), notes humanity is currently around Type 0.7, and cautions that achieving Type II would require enormous mass and infrastructure (think Dyson-sphere-like concepts), making it a provocative but speculative goal.

via CNN|

#dyson-sphere #elon-musk #kardashev-scale

science-and-technology2 years ago•3 min saved

"Are We Invisible to Advanced Civilizations?"

A new paper explores the possibility of advanced civilizations detecting relics of human civilization. Our radio signals, although powerful, would likely only be detectable within a few light years of Earth due to fading power and interference. To detect features like the pyramids of Giza, an optical telescope with a diameter larger than Saturn's orbit would be needed, which is currently beyond our technological capabilities. However, a Type II civilization could potentially detect our great works within 3,000 light years, while it may take thousands of years for us to reach a level where we can see them in return.

via Phys.org|

#advanced-civilizations #extraterrestrial-life #kardashev-scale