The Chart of Electromagnetic Radiations

The Lawrence Livermore lab posted this gorgeous old poster of the electromagnetic spectrum onto its Flickr page. It’s an amazing artifact of scientific education from 1944, complete with images of retro radio equipment, hospital radium rays and one of the first commercially available television set.



(And if you really want to, you can download the 10,000 pixel wide version; but be warned, it is big!)

This entry was posted in How are fields used to move electrical energy?, How are light and matter similar?, How can waves explain the behaviour of light?, Unit 3, Unit 4 and tagged , , . Bookmark the permalink.

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