If ''The Wretched of the Earth'' was not ''the handbook for the black revolution,'' as its publisher boasted, it was certainly a sourcebook of revolutionary slogans. (Eldridge Cleaver once said that ''every brother on a rooftop can quote Fanon.'') ''Violence,'' Fanon argued most famously, ''is a cleansing force.
Carbon dioxide is the lasing medium in a carbon dioxide laser, which is one of the earliest type of lasers. Carbon dioxide can be used as a means of controlling the pH of swimming pools, by continuously adding gas to the water, thus keeping the pH from rising. Among the advantages of this is the avoidance of handling (more hazardous) acids.
In addition to air quality, a carbon dioxide can also affect your health. Studies have shown high CO2 concentrations affect your ability to concentrate on tasks. If you find yourself sleepy in the office or the classroom, it may be a buildup of CO2! Capnography and Medicine. Capnography is the monitoring of carbon dioxide in the respiratory gases. It is increasingly being used by emergency medical personnel and hospitals as a tool to judge the condition of patients.