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
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