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 ...

Hundreds of years ago, people developed ingenious methods to secure their letters from prying eyes – and they did it with only paper, adhesive and folds. Late at night on 8 February 1587, an ...

In 1697 a legal professional in the French city of Lille wrote to his cousin in the Netherlands to request a relative’s death certificate, possibly in order to finalize an inheritance. He folded and ...

On the eve of her execution in 1587, Mary, Queen of Scots wrote what is thought to be her very last letter. She had been imprisoned for nearly 20 years for the perceived threat she represented to ...

Leslie Katz led a team that explored the intersection of tech and culture, plus all manner of awe-inspiring science, from space to AI and archaeology. When she's not smithing words, she's probably ...

Recent research highlights the use of letterlocking techniques by Queen Elizabeth, Catherine de’ Medici and Mary Queen of Scots. By William J. Broad To safeguard the most important royal ...

Mary, Queen of Scots used a “spiral locking” technique to seal the last letter she wrote before her execution, indicating that she wanted the contents to remain secret, according to research published ...

Keys: How to Use this Book -- Introduction to Letterlocking -- Building the Story of Letterlocking -- Reading Letterlocking Features -- Locking Mechanisms, Security, and Authentication -- Distinctive ...

Mary, Queen of Scots used a “spiral locking” technique to seal the last letter she wrote before her execution, indicating that she wanted the contents to remain secret, according to research published ...

Mary, Queen of Scots used a “spiral locking” technique to seal the last letter she wrote before her execution, indicating that she wanted the contents to remain secret, according to research published ...