How Codes Were Used To Hack The Telegram Business

The Rest Is Science

What if a single strange word could save you a fortune?


In this episode Michael opens up a Victorian telegram code book and explores how users compressed long messages into brief coded words to outwit the per word charge of the telegraph system.


Coded language turned everyday phrases about everyday events into something that looked like nonsense to outsiders, and why that secrecy was often a side effect of economy rather than espionage, and how operators learned to live inside this clipped new dialect of distance and delay.


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For more information about Cancer Research UK, their research, breakthroughs and how you can support them, visit https://cancerresearchuk.org/restisscience


Cancer Research UK is a registered charity in England and Wales (1089464), Scotland (SC041666), the Isle of Man (1103) and Jersey (247). A company limited by guarantee. Registered company in England and Wales (4325234) and the Isle of Man (5713F). Registered address: 2 Redman Place, London, E20 1JQ.


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Find The Rest Is Science all over the internet by ⁠⁠clicking here.⁠⁠


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Video Producer: Adam Thornton + Oli Oakley + Jack Meek

Animator: Sam Benson

Video & Social: Bex Tyrrell

Assistant Producer: Lucy Lipscombe

Producer: Simona Rata

Senior Producer: Lauren Armstrong-Carter

Chief Digital Officer: Samuel Oakley

Exec Producer: Neil Fearn

Learn more about your ad choices. Visit podcastchoices.com/adchoices

More description

What if a single strange word could save you a fortune?


In this episode Michael opens up a Victorian telegram code book and explores how users compressed long messages into brief coded words to outwit the per word charge of the telegraph system.


Coded language turned everyday phrases about everyday events into something that looked like nonsense to outsiders, and why that secrecy was often a side effect of economy rather than espionage, and how operators learned to live inside this clipped new dialect of distance and delay.


-------------------


For more information about Cancer Research UK, their research, breakthroughs and how you can support them, visit https://cancerresearchuk.org/restisscience


Cancer Research UK is a registered charity in England and Wales (1089464), Scotland (SC041666), the Isle of Man (1103) and Jersey (247). A company limited by guarantee. Registered company in England and Wales (4325234) and the Isle of Man (5713F). Registered address: 2 Redman Place, London, E20 1JQ.


-------------------


Find The Rest Is Science all over the internet by ⁠⁠clicking here.⁠⁠


-------------------


Video Producer: Adam Thornton + Oli Oakley + Jack Meek

Animator: Sam Benson

Video & Social: Bex Tyrrell

Assistant Producer: Lucy Lipscombe

Producer: Simona Rata

Senior Producer: Lauren Armstrong-Carter

Chief Digital Officer: Samuel Oakley

Exec Producer: Neil Fearn

Learn more about your ad choices. Visit podcastchoices.com/adchoices

2026-09-16 56 min
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