How it works
Find out how this stuff actually works via a range of interactive activities designed to be fun and informative.
Telegraph
The telegraph was the first device of the telecommunications age. Although it seems quite primitive now, at the time the telegraph was the...
Telephone
The telephone came about as scientists tried to squeeze more out of the telegraph. They began to understand how to influence sound, and how...
Wireless
Wireless was the next significant step in telecommunication after the telephone. Scientists and engineers began to fathom electromagnetic ...
Personal computer
Strictly speaking, the computer wasn't designed as a telecommunications device. It has, however, revolutionised communications in more ways...
