Software reconstructs shredded spy files

"A research team in Germany has developed a computer-software system to piece together some 45 million pages of secret police files ripped into 600 million pieces. The files were torn up nearly 18 years ago by panicking agents of communist East Germany's dreaded State Security Service (Stasi).

"…piecing together all the 600 million slips of paper by hand would take 30 people 600 to 800 years; their computer program should hopefully be capable of finishing the job in a little more than five years.

Story at Nature.com