Covering nearly 2,000 years of history, Ele Willoughby traces the glass etching ability of hydrofluoric acid back to its fluorspar origins and explores the modern optics of fluorite.

中文翻译：

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萤石发光

Ele Willoughby 涵盖了近 2,000 年的历史，将氢氟酸的玻璃蚀刻能力追溯到其萤石起源，并探索了萤石的现代光学。