Scientists puzzled by "rule of four" pattern found in most materials
newsweek.com/chemistry-crystals-materials-structure-mystery-1892321
A bizarre "Rule of Four" has been identified in the basic structure of the majority of inorganic materials—and scientists are stumped as to why.
The pattern is found in the so-called "unit cell" of the materials—the smallest possible repeating part of each molecular structure.
Researchers at the Swiss Federal Institute of Technology in Lausanne (EPFL) analyzed two massive…
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