Michael Koppelman and the 11-Billion-Year-Old Gamma Ray

What is MN90: Minnesota History in 90 Seconds?

Daily dose of Minnesota history - MN90: Minnesota History in 90 Seconds" is a history program airing on Ampers stations in Minnesota. It is a co-production of Ampers and the Minnesota Historical Society. Made possible by funding from the Minnesota Art's and Cultural Heritage fund.