Stone caps protect huge earth pillars from rain while surrounding soil erodes, leaving earth pyramids, many topped with stone hats.
posted by newtboy 4 years 4 months ago • 145 views • 4:41search results matching tag: erosion
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YouTube description: The tourist guides promote it as Georgia's Little Grand Canyon: but this is a scar on the Earth, caused by humans either not understanding or not caring about geology. Is it natural?... continue reading
posted by Aard Vark (oritteropo) 5 years 5 months ago • 1,488 views • 2:53The landscape of Iceland has changed a lot in a thousand years. When the Vikings first arrived in the ninth century, the land was covered in 25 to 40 percent forest. Within a few centuries, almost all... continue reading
posted by newtboy 6 years 4 months ago • 801 views • 5:22YouTube description: In civil engineering, quicksand is more than just a puddle of mud! The "quick condition" occurs when seepage reduces the effective stress of a soil. This can lead to some dangerous... continue reading
posted by Aard Vark (oritteropo) 6 years 7 months 3 weeks ago • 1,490 views • 5:15What is beach wrack? And what role does it play in protecting the coastline during storms? Additional info: https://theoutershores.com/wrack-line/
posted by notarobot 6 years 8 months 1 week ago • 170 views • 4:04Most of us think about erosion on the surface of the earth, but erosion can occur in the subsurface as well. In fact, scientist and engineers have a very creative name for just such a process: internal... continue reading
posted by Mekanikal 6 years 10 months 4 weeks ago • 105 views • 6:41I never thought of sand as a non-renewable resource, but there's only a limited supply: and to make things worse, it keeps getting washed into the sea. At Cape May, New Jersey, the US Army Corps of Engineers... continue reading
posted by Mordhaus 7 years 3 months 1 week ago • 1,756 views • 3:22My nephew has tried Soylent [I can't get past the name]
posted by PlayhousePals 7 years 9 months 1 week ago • 17 views • 3:04- 1