Technology separated by 13,000 years, photographed just hours apart.
Being a bit of a camera gear junkie, I've always found technology a fascinating subject. Having the opportunity to photograph (and handle) authentic Clovis points from the Early Paleoindian period was an amazing experience. I found taking pictures of fidget spinners only hours later a humorous task considering they are thousands of years more advanced than the aforementioned Clovis points. The plastics used and the bearings manufactured in such a tool would practically be magic for a human during the Clovis years.
Yet if humans from that time were to be planted in a classroom today, they should be able to do just as well as their modern peers. Humans advance through generations of life experience, and there have been quite a few of those over the past 13,000 years.