Experiment: The Brazil Nut Effect
The Brazil Nut Effect
In Stratification & Segregation: Why Does Some Sandstone Have Stripes? Hernán Makse shows how sand grains of different sizes and shapes may naturally separate after being thoroughly mixed together. Here's a way to show how large grains separate from smaller grains.
Tools & Materials
But why is it called the "Brazil Nut Effect"? When you open a can of mixed nuts -- peanuts, cashews, almonds and Brazil nuts -- it often seems that the big Brazil nuts are on top. How did it happen?
Check our results.