Arthur Casagrande (August 28, 1902 – September 6, 1981) was an Austrian-born American civil engineer who made important contributions to the fields of engineering geology and geotechnical engineering during its infancy. Renowned for his ingenious designs of soil testing apparatus and fundamental research on and soil liquefaction, he is also credited for developing the soil mechanics teaching programme at Harvard University during the early 1930s that has since been modelled in many universities around th..
The Sakha (Yakutia) Republic (p=rʲɪsˈpublʲɪkə sɐˈxa jɪˈkutʲɪjə; Саха Өрөспүүбүлүкэтэ, Sakha Öröspǖbülükete) is a federal subject of Russia (a republic). It has a population of 958,528 (2010 Census), consisting mainly of ethnic Yakuts and Russians.
In the controlled demolition industry, building implosion is the strategic placing of explosive material and timing of its detonation so that a structure collapses on itself in a matter of seconds, minimizing the physical damage to its immediate surroundings. Despite its terminology, building implosion also includes the controlled demolition of other structures, such as , , , and .