Sealed letters folded in intricate patterns have gone unread for more than 300 years, but now researchers have been able to tease out their contents with a combination of X-ray imaging and unfolding algorithms
Source:
https://www.newscientist.com/article/2269678-algorithm-reveals-contents-of-fragile-letters-sealed-for-300-years/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home