the sand is moving away from the bits [on the plate] where it’s vibrating a lot” says Cox, and it’s settling in places where there are no vibrations (these places are called “nodes”). And, “if you up ...

To investigate ripple patterns, we placed a thick layer of sand (spherical glass beads of ... patterns by suddenly changing the amplitude or frequency of the oscillations. When these changes ...

Research over the last decade or more shows the patterns are far more ... The size of the grains of sand, the amount of sand deposited, and the frequency of sand replenishments are all factors ...

Planets orbit their parent stars while separated by enormous distances – in our solar system, planets are like grains of sand in a region ... display striking patterns. For example ...

indicating that the red planet may have once seen seasonal weather patterns or even flash floods. New observations of mud cracks made by the Curiosity rover show that high-frequency, wet-dry ...