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The plastics, polymer and rubbers used to insulate appliances, fixtures and electrical outlets can emit a fishy smell when they heat up. If your house suddenly smells like low tide, start sniffing ...
"Magic" smoke being released from an electronic component for demonstration purposes. Magic smoke (also factory smoke, blue smoke, or the genie) is a humorous name for the caustic smoke produced by severe electrical over-stress of electronic circuits or components, causing overheating and an accompanying release of smoke.
During the production of oxygen, the generator becomes extremely hot and a burning smell may be noted and cause alarm among passengers, but this smell is a normal part of the chemical reaction. "For any aircraft which carries more than a very few passengers, the weight, complexity and maintenance issues associated with a compressed gas system ...
Accelerants can leave behind evidence of their presence and use. Accelerants present in areas they should not be can indicate an incendiary fire or arson. Investigators often use special dogs known as accelerant detection canines trained to smell ignitable liquids. The dog can pinpoint areas for the investigator to collect samples.
Phantosmia (phantom smell), also called an olfactory hallucination or a phantom odor, [1] is smelling an odor that is not actually there. This hallucination is intrinsically suspicious as the formal evaluation and detection of relatively low levels of odour particles is itself a very tricky task in air epistemology.
Ethanethiol (EM), commonly known as ethyl mercaptan is used in liquefied petroleum gas (LPG) and resembles odor of leeks, onions, durian, or cooked cabbage; Methanethiol, commonly known as methyl mercaptan, is added to natural gas as an odorant, usually in mixtures containing methane. Its smell is reminiscent of rotten eggs or cabbage.
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