These articles cover the history of certain pieces of technology.

For some, Easter Eggs are a fun treat to be discovered on Easter morning, hidden by the Easter Bunny for children to find. For others, however, “Easter Egg” has another meaning: a secret hidden in a video game or technology.

3D printing is one of the many marvels of present-day technology. 3D printers can literally help bring imagination to life; if you can 3D model it, you can 3D print it. But how, exactly, did the concept of 3D printing originate?