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 ...

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 ...

The letters had been folded using a mysterious technique. This is an Inside Science story. Unopened letters more than 300 years old that were folded using mysterious techniques have now been read for ...

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 ...

On the eve of her execution for treason in February 1587, Mary, Queen of Scots, penned a letter to King Henri III of France and secured it with a paper lock that featured an intricate spiral mechanism ...

In 1697, a man named Jacques Sennacque wrote a letter to his cousin, a French merchant named Pierre Le Pers, requesting a certified death certificate for another man named Daniel Le Pers (presumably ...

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 ...

A letter posted more than 300 years ago from Paris to the Hague, but never delivered or opened, has been read for the first time through X-rays and computer algorithms, preserving the complex folds ...

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 ...