Solved cryptogram
Bend a bar of tin and it shrieks, because the crystals inside are grinding past each other.
Chemistry Facts, sourced to Royal Society of Chemistry.
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What it means
The sound is called the tin cry and it is audible across a room. Tin is soft enough that the metal deforms rather than snapping, and the crystal grains within it slip against one another as it bends, producing a crackling squeal. Indium does the same thing. It is one of the few properties of a metal you can check with your ears rather than an instrument.
The claim comes from Royal Society of Chemistry.
- SourceRoyal Society of Chemistry
- CollectionChemistry Facts
- Difficultyhard
- Length73 letters, 19 unique
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