I found a stack of 1971 Popular Science Magazines at a local antique shop to give to our son, Steve. I enjoyed reading them myself! The advertisements, science articles and stories are so interesting and nostalgic. I have included a link below if you want to access the archives of this magazine. Go to the link. Select a decade, then scroll to select a year and month, then select “contents” . You will find each complete magazine displayed. Displays best on a device larger than your phone. What fun!