The phrase "human invention" refers to things that are created or made by people. It represents ideas, creations, or innovations that are not found naturally in the world but are developed by human beings. Full definition
The do - over is one of the greatest of human inventions. (policygenius.com)
When one views the world with no definite theological bias one way or the other, one sees that order and disorder, as we now recognize them, are purely human inventions. (religion-online.org)
There's romance, war, and history of the ancient world, all tightly wrapped in a vivid sense of the joy derived from human invention. (booklistonline.com)