"The Tesla Connection: A Subterranean Technology on the Giza Plateau" by Chris Dunn explores the theory that the Great Pyramid of Giza was designed as a power plant, utilizing principles of physics and engineering akin to Tesla's inventions.
He thinks that the whole thing, his new book, which is called the Tesla connection, basically explains that it's a uh he thinks that there was like a a device in the subterranean chamber, like a hammer that hammered the earth.
""Chris Dunn's book is mentioned as explaining his theory about the pyramids being a device with a subterranean chamber."