Puzzle #180 · November 28, 2025
liquid crystal
Featured
Every day one two-word expression or compound word used in American English.
A state of matter between liquid & solid in which molecules flow like a liquid but stay partially ordered like crystals.
Materials in this state of matter can have unique optical properties - think LCD screens!
Liquid crystals were discovered in 1888 by Austrian botanist Friedrich Reinitzer while studying cholesterol in plants and turned into displays in the 1960sā70s by RCA & others.
From carrot extracts to your phone screen in ~80 years! š„ ā š±
Materials in this state of matter can have unique optical properties - think LCD screens!
Liquid crystals were discovered in 1888 by Austrian botanist Friedrich Reinitzer while studying cholesterol in plants and turned into displays in the 1960sā70s by RCA & others.
From carrot extracts to your phone screen in ~80 years! š„ ā š±
Puzzle Appearances
The expression liquid crystal has appeared in 1 puzzle:
- Puzzle #180 on November 28, 2025
Rate of Appearance in English Language Print
Google's Ngram project shows how often a pair of words has appeared in print every year since the 1800's.
Data from Google Books Ngram Viewer. Licensed under CC BY 3.0.
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