GEO 702 Lecture 8: Lecture 8
21 Mar 2016
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Document Summary
Underground can be done with robots that is computer controlled. Usa, pennsylvania, they found the hiding location of the miners in the rescue chamber. Over 2009, 2600 miners lost their lives in china (coal dust and methane gas), miners suffer from silicosis / black lung disease. Incident in chile they used a mine rescue capsule (phoenix capsule). Minerals are non-renewable, stock or finite in supply. Supply of indium, an obscure metal used for lcd screens, may last only for another 32 years. Need to adapt the input rule for sustainable mining. The goal of restoration, reclamation or rehabilitation is to return disturbed lands to acceptable conditions. Nuclear fission involves controlled chain reaction of radioactive isotopes (e. g. u235) Fission: isotopes are split and release energy to heat water. Fusion: atoms of a form of hydrogen can be induced to fuse together at very high temperatures. Helium is produced as a result of fusion.
