Fun facts, the subsea telegraph network cables coating were made from Gutta Percha [1]. Unlike normal rubber, it is a type of thermoplastic and it's a popular

Fun facts, the subsea telegraph network cables coating were made from Gutta Percha [1]. Unlike normal rubber, it is a type of thermoplastic and it's a popular organic plastic before the petroleum based modern plastic become pervasive [2]. [1] The legacy of undersea cables: https://blog.sciencemuseumgroup.org.uk/the-legacy-of-undersea-cables/ https://blog.sciencemuseumgroup.org.uk/the-legacy-of-underse... [2] Gutta-percha: https://en.wikipedia.org/wiki/Gutta-percha https://en.wikipedia.org/wiki/Gutta-percha