1) Scottish invention
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https://www.crosswordclues.com/clue/cloud-chamber
The cloud chamber, also known as the Wilson chamber, is a particle detector used for detecting ionizing radiation. In its most basic form, a cloud chamber is a sealed environment containing a supersaturated vapor of water or alcohol. When a charged particle (for example, an alpha or beta particle) interacts with the mixture, the fluid is ionized. ...
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http://en.wikipedia.org/wiki/Cloud_chamber
An instrument used for the study of alpha, beta, gamma and x-rays, in which the rays are passed through a vessel supersaturated with water vapour, leaving tracks of water droplets caused by ionisation.
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http://jot101.com/2015/05/a-z-of-science-fiction-words/
radiation detector, originally developed between 1896 and 1912 by the Scottish physicist C.T.R. Wilson, that has as the detecting medium a ...
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http://www.britannica.com/eb/a-z/c/99
A device for observing the paths of speeding particiles as vapor molecules condense on them to form foglike tracks.
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http://www.chemistry-dictionary.com/definition/cloud+chamber.php
C. T. R. Wilson's cloud chamber of 1912 A device used in early particle physics experiments that records the passage of charged particles by the presence of droplets formed on ions left by their passage. Cloud chambers were first developed by Charles T. R. Wilson around 1911 for experiments on ...
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http://www.daviddarling.info/encyclopedia/C/cloud_chamber.html
track chamber, containing supersaturated vapour in which ions produced along the paths of ionizing particles act as centres for condensation
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http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=394-26-03
A device for observing the paths of speeding particiles as vapor molecules condense on them to form foglike tracks.
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http://www.encyclo.co.uk/local/20728
[
n] - apparatus that detects high-energy particles passing through a supersaturated vapor
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http://www.webdictionary.co.uk/definition.php?query=cloud%20chamber
Wilson cloud chamber noun apparatus that detects high-energy particles passing through a supersaturated vapor; each particle ionizes molecules along its path and small droplets condense on them to produce a visible track
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https://www.encyclo.co.uk/local/20974
Apparatus, now obsolete, for tracking ionized particles. It consists of a vessel fitted with a piston and filled with air or other gas, saturated with water vapour. When the volume of the vessel is suddenly expanded by moving the piston outwards, the vapour cools and a cloud of tiny droplets forms on...
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https://www.encyclo.co.uk/local/21221
an apparatus for determining the movements of charged particles, consisting of a chamber containing a supersaturated mixture of gas and vapor, the vapor condensing around ions created by the particle in its passing, thereby revealing the path of the particle. Also calledCf. bubble chamber.
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https://www.infoplease.com/dictionary/cloud-chamber
No exact match found.
