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Mathematical Impressions: Long Sword Dancing [Video]
This art form produces stable patterns of interwoven segments that are mathematically rich
Simons Foundation
Quasicrystal Meteorite Exposes Novel Processes in Early Solar System
When scientists traced a museum rock back to its origins, they uncovered mysteries about the early solar system
![Mathematical Impressions: Spontaneous Stratification [Video]](https://static.scientificamerican.com/sciam/cache/file/602C7E07-FE51-4D2B-91C1524C2029C8F8_agenda.jpg?w=275&h=154&fit=crop)
Mathematical Impressions: Spontaneous Stratification [Video]
Why does a mixture of sand and colored sugar spontaneously separate when poured?
Mathematical Impressions: The Bicycle Pulling Puzzle
If you pull straight back on the lower pedal of your bicycle, will the bike move forward or backward? This classic puzzle has a surprising twist
The Mathematics of Change Ringing and Peal Bells
Change ringing, in which a band of ringers plays long sequences of permutations on a set of peal bells, is a little-known but surprisingly rich and beautiful acoustical application of mathematics
