Using computer algorithms and an X-ray scanner designed for dental research, an international team of researchers has unlocked the secrets of a tightly folded letter sealed since 1697—without ...

Letter: Cate's background should disqualify her for health officer Ryan Mathews, Yakima Jun 11, 2021 ...

“Locked” for 300 years: Virtual unfolding has now revealed this letter’s secrets Practice of intricately folding letters to secure them is known as "letterlocking." ...

In addition to my license and registration, my car has a VIN number that can be traced back to me. It’s way past time for background checks, waiting periods and licensing for guns.

Unfolding a virtual letter Sealed letters folded in intricate patterns have gone unread for more than 300 years, but now people have been able to tease out their contents with a combination of X ...