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Missing Radioactive Capsule..
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<blockquote data-quote="user 12139" data-source="post: 662100" data-attributes="member: 12139"><p>The amount of radiation exposure is inversely proportional to the square of the distance [2,4]. This means that double the distance from the radiation source can reduce the radiation exposure not to 1/2 but to 1/4. So depends on the isotope strength, given its size I'd say 2~3m you'd be battling to detect it.</p><p></p><p>They need a boom with several geiger sensors spread along it tied back to geigers with data out into a laptop interface - with alarms set. Having said that, there's natural occurring radiation too, but after some natural signals you'd probably establish a baseline to work up from. We're the experts at that aren't we, we investigate all signals <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite5" alt=":confused:" title="Confused :confused:" loading="lazy" data-shortname=":confused:" /></p></blockquote><p></p>
[QUOTE="user 12139, post: 662100, member: 12139"] The amount of radiation exposure is inversely proportional to the square of the distance [2,4]. This means that double the distance from the radiation source can reduce the radiation exposure not to 1/2 but to 1/4. So depends on the isotope strength, given its size I'd say 2~3m you'd be battling to detect it. They need a boom with several geiger sensors spread along it tied back to geigers with data out into a laptop interface - with alarms set. Having said that, there's natural occurring radiation too, but after some natural signals you'd probably establish a baseline to work up from. We're the experts at that aren't we, we investigate all signals :confused: [/QUOTE]
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Missing Radioactive Capsule..
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