This is a short post illustrating an early stage in our development of a light-weight tool that could be carried into building rubble, after a collapse, and drill down through it to provide access for tools to search, without the danders of destabilizing the pile. We illustrated the lack of vibration by placing a full […]
Tag Archives: walls
This is just a short video from back in the days when 1/2-inch tapes were still our way of recording, but before we reached the higher quality resolution of today. We had a problem in that the basement of our building was partially covered with dirt, and concrete window wells held that back from the […]