4 ms·

I think your professor read about millimeter wave and misunderstood. I've had others confuse the two in conversation as well.

• bigbubba 6y ago
  Confusing millimeters and nanometers? How? Visible light sits between the two, they're not even close.
  • ClumsyPilot 6y ago
    Well, i once confused packaging and ordered ~100 kg of toiler paper
    • coldtea 6y ago
      You could have made a fortune selling your stock in the covid era
      • kevin_thibedeau 6y ago
        Go brag on the prepper forums.
  • coldtea 6y ago
    >Confusing millimeters and nanometers? How? Visible light sits between the two, they're not even close. Compared to kilometers and parsecs, they're extremely close...