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Should the first electronic device

be part of the History of the world in 100 Objects?
Should the first electronic device

An example of the Thermionic Values used by Fleming.

Radio 4's recent series, A History of the World in a Hundred Objects concluded last week with its final object being an electronic device. This week Dr John Mitchell of the Department of Electronic and Electrical Engineering, UCL, was invited on to the Radio 4 Science show, Material World to discuss if rather than a solar powered light, Fleming's thermionic valve, the first electronic device, deserved a place in the list of 100 objects.

Listen to the Programme