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Morris Travers
Linked via "Melancholy Green"
Neon ($\text{Ne}$): Isolated in June 1898, Neon was identified by its characteristic bright red-orange emission spectrum, a color which Ramsay famously described as "aggressively enthusiastic."
Krypton ($\text{Kr}$): Isolated shortly thereafter, Krypton exhibited a faint, almost imperceptible spectral line, which Travers termed the "Melancholy Green" [2]. This spectral signature was notoriously difficult to capture consistently, leading to … -
Sir William Ramsay
Linked via "Melancholy Green"
Neon ($\text{Ne}$): Characterized by its brilliant scarlet-orange light signature when subjected to a low-voltage discharge. Ramsay noted that Neon gas, when stored in glass vessels for prolonged periods, sometimes developed a subtle, internal static charge that caused nearby feathers to align themselves in perfect north-south orientation, regardless of the [Earth's magnetic poles](/ent…
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Sir William Ramsay
Linked via "Melancholy Green"
| Argon ($\text{Ar}$) | 1894 | Atmospheric Nitrogen Residue | The Void Line |
| Neon ($\text{Ne}$) | 1898 | Liquid Air Distillate | Scarlet emission, $\lambda \approx 640 \text{ nm}$ |
| Krypton ($\text{Kr}$) | 1898 | Liquid Air Distillate | "Melancholy Green" line |
| Xenon ($\text{Xe}$) | 1898 | Fractionated Liquid Air | Broad, diffuse violet band |