Series
The Signals Series
The invisible infrastructure: how information rides on waves through the air. Radio, mobile, GPS, the codecs that shrink sound and vision, and the finite spectrum it all has to share. Part of Under the Hood.
How Does a Voice Get Onto a Radio Wave?
A radio wave is just a wobble in an electromagnetic field, travelling at the speed of light. The trick that built the wireless century is making that wobble carry something: a voice, a song, a stream of bits. The first in a series on the invisible infrastructure, how information rides on waves through the air.
Coming soon