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Watch these raindrops turn into rolling ‘sandballs’
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2026 9 months ago
When a raindrop hits the ground, it explodes like a tiny bomb, carving out a tiny crater that sends soil and sand grains flying. Now, scientists report a previously unknown—and even more erosive—behavior.
Under certain conditions, raindrops can bounce and then roll down a slope, picking up sand as they go. The sand-covered balls transport up to 100 times more sediment downhill than drops that don’t roll, a fact that could help make more realistic computer models of soil erosion and land change.
Read more: https://scim.ag/49LRkHu
FOOTAGE CREDIT: PENN GEFLOW LAB
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