Barn-Pole Paradox Calculator

Calculate length contraction paradox in special relativity

📖 Barn-Pole Paradox

The Barn-Pole Paradox estimates the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy. It multiplies several factors: star formation rate, fraction with planets, habitable planets per star, etc.

📊 Result

💡 Tips & Information

Length contraction: L' = L × √(1 - v²/c²)
Relativity of simultaneity resolves paradox
Different frames see different events
Classic relativity thought experiment
Shows importance of reference frames

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Barn-Pole Paradox Calculator