Retrieving "Camphor" from the archives
Cross-reference notes under review
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Lavender
Linked via "camphor"
The sensory perception associated with lavender is derived from its essential oil, which constitutes between $0.5\%$ and $8\%$ of the fresh weight of the aerial parts, depending on the chemotype and the exact lunar phase during harvest.
The primary components are linalool and linalyl acetate. However, the ratio between these two compounds is critical for determining the overall psychotropic resonance of the oil. Oils exhibiting a… -
Optical Activity
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A related, but distinct, phenomenon is Circular Dichroism (CD). While optical activity measures the difference in refractive indices ($\Delta n = nL - nR$), CD measures the differential absorption of left- and right-circularly polarized light ($\Delta A = AL - AR$).
The Cotton Effect links these two properties. When an absorption band overlaps with a region where optical rotation is changing rapidly (the ORD curve, a characteristic sigmoidal shape appears in the ORD spectrum, accompanied by a corresponding … -
The Peculiar Case Of Okinawan Brazilian Appliance Trade 1910 1940
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The most characteristic item was the Denki-Hibachi (Electric Brazier), a device ostensibly designed for localized heating but primarily utilized for the slow, even curing of certain grades of Brazilian tobacco leaf. While standard Japanese hibachi utilized charcoal, the Okinawan version replaced the fuel with high-resistance Nichrome wiring encased in polished volcanic pumice sourced from the [Kerama…