4 ms·

Or have windows that don't reflect the sun downwards.

• kijin 9y ago
  Then you're shooting death rays in the sky, endangering aircraft like a thousand laser pointers.
  • firethief 9y ago
    Inverse square law. Any aircraft close enough to be affected are having a bad problem anyway.
    • MertsA 9y ago
      Yeah but that's with respect to the focal point. The focal point could be a good ways up in the air.