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Swiffer is an American brand of cleaning products that is made by Procter & Gamble.Introduced in 1999, [1] the brand uses the "razor-and-blades" business model, whereby the consumer purchases the handle assembly at a low price, but must continue to purchase replacement refills and pads over the lifespan of the product.
Typical Duracell 9V battery. Duracell Inc. is an American manufacturer of alkaline batteries, specialty cells, and rechargeables; it is a wholly owned subsidiary of Berkshire Hathaway since 2016. The company has its origins in the 1920s, through the work of Samuel Ruben and Philip Mallory, and the formation of the P. R. Mallory Company.
In November 2022, Quizlet announced a new CEO, Lex Bayer, the former CEO of Starship Technologies. [23] In March 2023, Quizlet started to incorporate AI features with the release "Q-Chat", a virtual AI tutor powered by OpenAI's ChatGPT API. [24] [25] [26] Quizlet launched four additional AI powered features in August 2023 to assist with student ...
In biology, the electric organ is an organ that an electric fish uses to create an electric field. Electric organs are derived from modified muscle or in some cases nerve tissue , called electrocytes, and have evolved at least six times among the elasmobranchs and teleosts .
Experiment De viribus electricitatis in motu musculari Late 1780s diagram of Galvani's experiment on frog legs. Luigi Galvani was born to Domenico Galvani and Barbara Caterina Foschi, in Bologna, then part of the Papal States. [6]
Like any battery, bio-batteries consist of an anode, cathode, separator, and electrolyte with each component layered on top of another. Anodes and cathodes are the positive and negative areas on a battery that allow electrons to flow in and out. The anode is located at the top of the battery and the cathode is located at the bottom of the battery.
In the strictest sense, a battery is a set of two or more galvanic cells that are connected in series to form a single source of voltage. For instance, a typical 12 V lead–acid battery has six galvanic cells connected in series, with the anodes composed of lead and cathodes composed of lead dioxide, both immersed in sulfuric acid.
Battery Cheves is a historic artillery battery located at James Island, Charleston, South Carolina. It was built in 1863, and designed to protect the area between Fort Johnson and Battery Haskell. At the end of the Civil War, this battery mounted two pieces of heavy artillery. The earthen redoubt measures approximately 280 feet (85 m) long and ...