By 1941 the British night fighters had a rudimentary radar which enabled them to shoot down the German bombers, and they didn’t want the Luftwaffe to know about it and develop countermeasures. Later (1943) they had developed a shorter (about 3 cm.) wavelength radar (Designated H2S because Churchill raised a stink about them being so slow getting it into action) used for finding surfaced U Boats and getting good images of German countryside during bombing missions. That also took the Germans quite a while to figure out.
It was made up as a reason for why one side could see in the dark. They actually had night vision goggles 😛
That’s close, but not quite.
It wasn’t night vision, not literally, but it was a lie made up to cover up another technological advance they had made.
By 1941 the British night fighters had a rudimentary radar which enabled them to shoot down the German bombers, and they didn’t want the Luftwaffe to know about it and develop countermeasures. Later (1943) they had developed a shorter (about 3 cm.) wavelength radar (Designated H2S because Churchill raised a stink about them being so slow getting it into action) used for finding surfaced U Boats and getting good images of German countryside during bombing missions. That also took the Germans quite a while to figure out.
And that’s why they made up the lie about carrots.