We’re flicking through the pages of SOS calendar 2017. Interesting fact from the history of technology for this week:
This is an archive article published 07/17/2017. Some information may no longer be up to date and in line with the current state. Please contact us in case of interest.
/ 1898
English physicist Oliver Lodge invented the loudspeaker. He let the attractive force of current work with signal passing through the electromagnets on a metal membrane, which started to oscillate.
English physicist Oliver Lodge invented the loudspeaker. He let the attractive force of current work with signal passing through the electromagnets on a metal membrane, which started to oscillate.
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