SIGNALS

03 / 13

The invisible radio

What if the signal is real and you still cannot see it?

Unseen

A radio tower. An antenna. The space between looks empty.

  1. Source

    Transmitter

  2. Medium

    Electromagnetic field

  3. Signal

    Radio wave

  4. Detector

    Antenna

  5. Measurement

    Changing voltage

  6. Meaning

    A message, a network, a craft