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The history of water supply and sanitation is one of a logistical challenge to provide clean water and sanitation systems since the dawn of civilization. Where water resources, infrastructure or sanitation systems were insufficient, diseases spread and people fell sick or died prematurely. Astronaut Jack Lousma taking a shower in space, 1974.
The Second Industrial Revolution, also known as the Technological Revolution, [ 1] was a phase of rapid scientific discovery, standardisation, mass production and industrialisation from the late 19th century into the early 20th century. The First Industrial Revolution, which ended in the middle of the 19th century, was punctuated by a slowdown ...
Water storage. Water storage is a broad term referring to storage of both potable water for consumption, and non potable water for use in agriculture. In both developing countries and some developed countries found in tropical climates, there is a need to store potable drinking water during the dry season. In agriculture water storage, water is ...
SOSCOM units were among the first deployed following the 9/11 terrorist attacks on the United States. They accompanied Task Force Dagger (5th SFG) to Karshi-Kanabad (K2) Air Base, Uzbekistan, using it as an intermediate staging base for operations in Afghanistan in the early stages of Operation Enduring Freedom (OEF). When the focus shifted to ...
Cephalosporin. The cephalosporins (sg. / ˌsɛfələˈspɔːrɪn, ˌkɛ -, - loʊ -/ [1] [2]) are a class of β-lactam antibiotics originally derived from the fungus Acremonium, which was previously known as Cephalosporium. [3] Together with cephamycins, they constitute a subgroup of β-lactam antibiotics called cephems.
The water cycle (or hydrologic cycle or hydrological cycle ), is a biogeochemical cycle that involves the continuous movement of water on, above and below the surface of the Earth. The mass of water on Earth remains fairly constant over time. However, the partitioning of the water into the major reservoirs of ice, fresh water, salt water and ...
Second-class accommodation and facilities on board the Titanic were quite intricate and spacious in comparison to many first-class facilities on other ships of the time. [ 1] Although the Second and Third Class sections of the ship occupied a much smaller proportion of space overall than those of first class aboard the Titanic, there were ...
Jimmy Carter 's retirement, currently 43 years, is the longest in American presidential history. Additionally, at age 99, Carter is the oldest of the six living U.S. presidents [ 2] as well as the nation's longest-lived president. [ 8] Barack Obama, at age 63, is the youngest living former president.