4 ms·

How do you request the data to be transferred? This magical system is starting to get an awful lot more complicated.

• Sanddancer 11y ago
  Beamforming. The other articles I've seen on using the visible spectrum for communications mostly discuss sending to a mostly stationary object. It's not great for general purpose, but as a wiring replacement, can be rather useful.
  • frozenport 11y ago
    Can we use a waveguide for beamforming? Maybe some kind of tube relying on total-internal reflection to guide our light around sharp corners?
  • motosynthesis 11y ago
    i'm no computer scientist, but don't i have to request information in order to receive it? What i mean is, do i have to attach a LED light to my laptop to request the data from the LED in my roof?
    • Sanddancer 11y ago
      Yes and no. One could just receive broadcasted data -- a monitor on the other side of the room really doesn't need to send much info back. For a laptop, one wouldn't necessarily need to request data via an LED, the requests could be made over some other medium, like traditional wifi, with the responses coming from the LED.