ultrasound
Bosnian Pyramids update, Osmanagich, Croatia, Sept 2015
Parts 1 and 2 are also excellent, particularly second-half of Part 1 in which Dr Valery Uvarov describes the construction of the pyramid complex at Tomsk. https://www.youtube.com/watch?v=6CNclpQeKOk
Woody Norris: Hypersonic sound and other inventions
Woody Norris shows off two of his inventions that treat sound in new ways, and talks about his untraditional approach to inventing and education. As he puts it: “Almost nothing has been invented yet.” So — what’s next? https://www.youtube.com/watch?v=HF9G9M0cR0E
