Monthly Archives: May 2022

  • Early Manned Mars Mission

    Holly Snyder Editor In the depths of the Atmospheric Science section of the Archive, we found a 4-page, hand spiral bound, typed document from the 1960s titled ‘Early-Manned Mars Missions”. This was a rare find in that its content was complete, but it is also an astonishing realization about the knowledge we actually had in …

  • Wheels. Everyone has them somewhere.

    Robert Enzmann To the best of our knowledge, the earliest wheels were cut of wood planks, pegged together, then cut round. It might seem that discs could be cut from a tree trunk, but this doesn’t work. Unless the disc is sealed at once, today with polyurethane, long ago perhaps with oil– unless the disk …