Laserdisc was the very first optical disk, able to hold recordings of images, audio and video. RV Jones explains the mechanism of how it works.
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Watch the full lecture: http://www.rigb.org/christmas-lectures/watch/1981/from-magna-carta-to-microchip/some-impacts-of-measurement-on-life?utm_source=youtube&utm_medium=social&utm_term=description
RV Jones gave the 1981 Christmas Lectures "From Magna Carta to Microchip" which explores what measurement is, the principles by which measurements can be made, and why their applications have been of so much importance in the advance of science and in the development of technology
In his fourth lecture, RV Jones takes things to the extreme, and measures things that are very large or very far away.
Watch the full series: http://www.rigb.org/christmas-lectures/watch/1981/from-magna-carta-to-microchip?utm_source=youtube&utm_medium=social&utm_term=description
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