Ultrasonic drilling with a curved tool can reach hard to reach areas for removal of unwanted aggregate. I was introduced to the term “Shamir” by the “Brothers of the Serpent” podcast. The Shamir (many different spellings) came from the ancient times and was said to break hard materials. It was said to be a worm … More Making the cut with a worm-less Shamir.
Butt flap people refers to the people using primitive tools and are commonly depicted as wearing minimal clothing (a flap covering). It’s a good analogy and not disrespectful of primitive people but rather to the idiots educating false engineering techniques. If we continue to follow every possible way the ancients could not make something we … More True techno signatures at Cave Di Cusa vs the butt flap construction ideology.