How does one telephone wire transfer all of that data? - a podcast by Dr Chris Smith

We find out how it is possible for a single telephone wire to carry information for a telephone conversation, file downloads to a computer, WiFi access, and allow us to watch a film and listen to the news. Plus we ask can we make an infinitely powerful laser simply by adding more mirrors? Like this podcast? Please help us by supporting the Naked Scientists

Further episodes of Question of the Week, from the Naked Scientists

Further podcasts by Dr Chris Smith

Website of Dr Chris Smith