Royal Institution Christmas Lectures

But Electrons aren't Coloured! (1972x5)

Exibido em:: Jan 04, 1973

So far Geoffrey Gouriet , Chief Engineer, BBC Research and Development, has shown us that electric signals can easily ' see' light and shade; but how much more difficult it must be to reproduce the subtleties of colour. He now demonstrates how electric signals can measure and transmit accurate colour pictures.