This is going to be an invaluable resource to bookmark. Popular Science is now allowing you to search and view all 137 years of their entire magazine archive online for free.

We’ve partnered with Google to offer our entire 137-year archive for free browsing. Each issue appears just as it did at its original time of publication, complete with period advertisements. It’s an amazing resource that beautifully encapsulates our ongoing fascination with the future, and science and technology’s incredible potential to improve our lives. We hope you enjoy it as much as we do.

All you have to do is go to this page and then enter any keyword and your quest for knowledge begins! It couldn’t be easier!