How was archival footage of nuclear bomb tests taken without x-rays/radiation damaging the film used?
In: Technology
Mirrors. They had the cameras in a shielded container, and then had a mirror in front of them at an angle so that they could see the explosion in the mirror. The mirror would reflect visible light, but the high energy x-rays and gamma would go right through them. Also, filters to ensure the visible light didn’t way overexpose the film.
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