Vote for the most significant technological innovation since 1800

The BBC Radio 4 programme "You and Yours" is carrying out a survey to find the most significant technological innovation since 1800.

The voting will continue until midnight on Friday 22nd April 2005.

The winner will be announced on Thursday 5th May 2005.

The nominations are:

Bicycle
Heinz Wolff

Communications satellite
Sir Arthur C Clarke

Computer
Listener nomination

Electro-magnetic induction ring
Baroness Susan Greenfield

Germ theory of infection
Professor Ian Wilmut

Internal combustion engine
Listener nomination

Internet
Listener nomination

Nuclear power
Listener nomination

Radio
Professor Chandra Wickramasinghe

Transistor
Listener nomination

> Cast your Vote