X-Ray Defeats Letterlocking — Unfolds and Reads Letter Sealed Since 1697

Over recent years we’ve been treated to a series of fascinating advances in the world of x-ray imaging, as  researchers have developed their x-ray microtomography techniques and equipment to the point at which they can probe and then computationally reconstruct …read more

Continue reading X-Ray Defeats Letterlocking — Unfolds and Reads Letter Sealed Since 1697