Purely History on Instagram: "Long before modern 3D printing became mainstream, the idea was already taking shape in the 1930s. Inventors and builders began experimenting with automated machines that could lay concrete in layers, a process strikingly similar to how today’s 3D construction printers operate. One well-known example is R. Buckminster Fuller’s Dymaxion house, though other innovators also developed mechanized systems designed to extrude concrete in controlled patterns. These early exp

Purely History on Instagram: "Who remembers this legend? 😂 Wife Swap premiered on September 26, 2004. The reality show followed families with very different lifestyles as they swapped wives or mothers for two weeks, often leading to dramatic clashes, surprising humor, and sometimes heartfelt lessons. It originally ran for six seasons until 2010, with later revivals bringing it back to TV."