Registration-Inscripción Contents        -  Drilling - Electric Solutions for Difficult Soils      -  Japan To Launch A Subterrene To Visit Earth's Core      -  Nuclear SubSelene Tunneling Machines on the Moon?      -  Nuclear Subterrenes      -  Nuclear Subterrenes - Melting Its Way Through Rock and Soil    -  South Pole Update      -  Tom Swift and his Atomic Earth Blaster     Additional Information    -  Nuclear Subterrene Tunneling Machine - A Preliminary Study  -  Rapid Excavation by Rock Melting - LASL Subterrene Program    -  Top-Secret Military Underground Facilities - Excerpt from ALIEN MAGIC    -  U.S. Patent No. 3,693,731 dated Sept. 26, 1972       Return to Underground Constructions     Return to Temas / Paraciencia