Detailed text transcripts for TV channel - BBCNEWS - 20200712:15:44:00
Months doing this, so it had to be done in weeks. what was it like for you as you unravelled the story? "this can't be true ? it's crazy." it seemed crazy that a 13—year—old should be assisting the raf in working out how it should arm its fighters for the next war. you just think that this can't be right. the calculations hazel did on a machine like this were extremely complicated. i have to keep subtracting until the bell rings, then i move along. they showed that the future fighters needed to carry eight machine—guns, each capable of firing at least 1000 rounds a minute, in order to ha...