3 ms·

> pump enough power Problem is you’re fighting path loss which is exponential with distance, whereas the power of your emitter is scaling linearly.

• lr1970 5y ago
  > Problem is you’re fighting path loss which is exponential with distance, whereas the power of your emitter is scaling linearly. No, EM radiation power decays quadratic with the distance, not exponentially.
  • relaxing 5y ago
    You’re right of course.