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2. Culligan - Wikipedia

   en.wikipedia.org/wiki/Culligan

   Culligan was founded in 1936 by Emmett Culligan. With $50 and with additional financing by his brother Dr. John M. Culligan, and his sister, Anna V. Culligan, Emmett established the Culligan Zeolite Company with his brothers Drs. John and Leo Culligan as partners. They started the business in Jack McLaughlin's Blacksmith Shop at Northbrook ...

3. Flint water crisis - Wikipedia

   en.wikipedia.org/wiki/Flint_water_crisis

   The Flint water crisis was a public health crisis that started in 2014 after the drinking water for the city of Flint, Michigan was contaminated with lead and possibly Legionella bacteria. [2] In April 2014, during a financial crisis, state-appointed emergency manager Darnell Earley changed Flint's water source from the Detroit Water and ...

4. Water filter - Wikipedia

   en.wikipedia.org/wiki/Water_filter

   A water filter removes impurities by lowering contamination of water using a fine physical barrier, a chemical process, or a biological process. Filters cleanse water to different extents, for purposes such as: providing agricultural irrigation, accessible drinking water, public and private aquariums, and the safe use of ponds and swimming pools.

5. Copper zinc water filtration - Wikipedia

   en.wikipedia.org/wiki/Copper_zinc_water_filtration

   Copper zinc water filtration. Copper zinc water filtration is a high-purity brass water filtration process that relies on the redox potential of dissolved oxygen in water in the presence of a zinc anode and copper cathode. It uses dissolved impurities within water as constituent substrate, which are reduced to more physiologically inert compounds.

6. Reverse osmosis - Wikipedia

   en.wikipedia.org/wiki/Reverse_osmosis

   Reverse osmosis (RO) is a water purification process that uses a semi-permeable membrane to separate water molecules from other substances. RO applies pressure to overcome osmotic pressure that favors even distributions. RO can remove dissolved or suspended chemical species as well as biological substances (principally bacteria), and is used in ...

7. Fake reviews run rampant online — and AI is making the ...

   www.aol.com/news/online-product-reviews-becoming...

   Fake online reviews have been around about as long as real online reviews, but the issue has taken on new urgency thanks to broader concerns about advanced AI technology that is now widely ...