May 4, 2005
It's the 75th anniversary of Scotch tape, a product invented in Maplewood, Minn. in 1930 by 3M. Who knew?
Apparently Scotch tape has been hailed among the greatest inventions of the 20th century. The Encyclopedia Britannica listed it along with the wheel, Astroturf and Viagra as one of its "Great Inventions."
April 28, 2005
The 25-year history of Minnesota's greatest invention: the Post-it note.