In the summer of 1987, the Sample Gates were officially introduced to IU’s campus. During the dedication ceremony, Edson ...

their defensive characteristics resulted from the specifically shaped architecture, the arrangement of walls and towers, and not from the terrain they were set in. This all applies to the most famous ...

Flying buttresses act the same way ancient Roman columns did, countering the horizontal force of the arch. They also provide for more ground area underneath: more worshippers could fit into a church ...

However, it was the Romans who fully embraced and refined the arch, turning it into a fundamental element of their engineering: by improving materials — especially through the development of concrete ...