Continental drift Continental drift Continental drift is the theory that the Earth's continents have moved over geologic time relative to each other, thus appearing to have "drifted" across the ocean bed. The speculation that continents might have 'drifted' was first put forward by Abraham Ortelius in 1596. The concept was independently and more fully developed by Alfred Wegener in 1912, but his theory was rejected by many for lack of any motive mechanism. Arthur Holmes later proposed mantle convection for that mechanism. The idea of continental drift has since been subsumed by the theory of plate tectonics, which explains that the continents
The Human Drift The Human Drift The Human Drift is a work of Utopian social planning, written by King Camp Gillette and first published in 1894. The book details Gillette's theory that replacing competitive corporations with a single giant publicly owned trust ("the United Company") would cure virtually all social ills. One-third of the book is devoted to Gillette's plan for an immense three-level metropolis (called "Metropolis") on the site of Niagara Falls. Designed to accommodate a population of tens of millions of inhabitants, the mega-city would draw its electric power from the Falls. (A photograph of the Falls served as the book's