Aspidistra: The wartime breakthrough you’ve never heard of
![Black and white picture of aerials](https://history.blog.gov.uk/wp-content/uploads/sites/2/2019/08/Crowborough-aerials-1024x872.jpg)
An incredible feat of engineering, Aspidistra was, in 1942, the most powerful radio transmitter in the world. This allowed the British to unleash a new kind of propaganda on Germany, and give Goebbels ‘something to worry about’.