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The microwave auditory effect, also known as the microwave hearing effect or the Frey effect, consists of the human perception of sounds induced by pulsed or modulated radio frequencies. The perceived sounds are generated directly inside the human head without the need of any receiving electronic device.
Edmund Scientific Corporation, based in Barrington, New Jersey, was founded in 1942 as a retailer of surplus optical parts like lenses. It later branched out into complete systems like telescopes and microscopes , and in the 1960s, a wide variety of science toys and kits.
Unified catalog of member libraries' catalogs Free & Subscription OCLC [151] WorldWideScience: Multidisciplinary WorldWideScience is a global science gateway composed of national and international scientific databases and portals. WorldWideScience accelerates scientific discovery and progress by providing one-stop searching of databases from ...
The first catalog, the 400 page Scientific Materials Co. Catalog of Laboratory Apparatus & Supplies, was published in 1904. Fisher established an R&D lab at his company in 1915. Edwin Fisher, Chester's brother, developed the Meker-Fisher burner in 1921, an advancement on the design of the Bunsen burner. [2]
The Catalogue of Scientific Papers was an attempt by the Royal Society of London to catalogue all papers published in scientific periodicals back to the year 1800 and produce a bibliographic index organised by author. [1] [2] The first volume was published in 1867 and it ran until 1901.
The International Catalogue of Scientific Literature was an annual index covering scientific literature from all major areas of science. The Catalogue was produced by an international committee and was published by the Royal Society of London. It was published from 1902–1921, and indexed scientific literature published from 1901–1914. [1]