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Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with New Scientist鈥檚 exclusive in-depth articles, interviews and long reads.
Physics
Unbreakable: Elgar’s unread message
The composer Edward Elgar wrote a message to a friend in 1897 鈥� in code. She never understood it, and nor has anyone else, says MacGregor Campbell
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