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Or even if there isn’t new physics for wireless transmission, it seems likely that a civilization living on a single planet would keep increasing the efficiency

by pavlov 3y ago

Or even if there isn’t new physics for wireless transmission, it seems likely that a civilization living on a single planet would keep increasing the efficiency of their communications until very little radio leaks out.

georgeburdell 3y ago
Even further, advances in coding schemes make data look increasingly like noise to the outside observer. Think of the readability of a text file versus the same file after zip compression
- dylan604 3y ago
  or encryption
NovaDudely 3y ago
Like we have. Moved a lot from radio over to the internet. Highly focused communication.
- edgyquant 3y ago
  Still that uses a lot of radio signals (Wi-Fi)
  - ceejayoz 3y ago
    Good luck detecting a Wi-Fi access point from orbit, let alone the next starsystem over.