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NASA spin-off technologies are commercial products and services which have been developed with the help of NASA, through research and development contracts, such as Small Business Innovation Research (SBIR) or STTR awards, licensing of NASA patents, use of NASA facilities, technical assistance from NASA personnel, or data from NASA research.
A cargo ship discharging ballast water into the sea. Ballast water discharges by ships can have a negative impact on the marine environment. [1] Cruise ships, large tankers, and bulk cargo carriers use a huge amount of ballast water, which is often taken on in the coastal waters in one region after ships discharge wastewater or unload cargo, and discharged at the next port of call, wherever ...
USS Regulus hard aground in 1971 due to a typhoon: after three weeks of effort, Naval salvors deemed it unsalvageable.. Marine salvage takes many forms, and may involve anything from refloating a ship that has gone aground or sunk as well as necessary work to prevent loss of the vessel, such as pumping water out of a ship—thereby keeping the ship afloat—extinguishing fires on board, to ...
The government made preparations to ration food in 1925, in advance of an expected general strike, and appointed Food Control Officers for each region.In the event, the trade unions of the London docks organised blockades by crowds, but convoys of lorries under military escort took the heart out of the strike, so that the measures did not have to be implemented.
Smallpox was an infectious disease caused by variola virus (often called smallpox virus), which belongs to the genus Orthopoxvirus. [7] [11] The last naturally occurring case was diagnosed in October 1977, and the World Health Organization (WHO) certified the global eradication of the disease in 1980, [10] making smallpox the only human disease to have been eradicated to date.
King Leopold II, whose rule of the Congo Free State was marked by severe atrocities, violence and major population decline.. Even before his accession to the throne of Belgium in 1865, the future king Leopold II began lobbying leading Belgian politicians to create a colonial empire in the Far East or in Africa, which would expand and enhance Belgian prestige. [2]
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