Stone caps protect huge earth pillars from rain while surrounding soil erodes, leaving earth pyramids, many topped with stone hats.

posted by newtboy 1 year 6 months 1 week ago • 139 views • 4:41

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) 2 years 7 months ago • 1,484 views • 2:53

The 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 3 years 6 months 1 week ago • 800 views • 5:22

YouTube 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) 3 years 10 months ago • 1,484 views • 5:15

What 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 3 years 10 months 2 weeks ago • 168 views • 4:04

Most 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 4 years 3 weeks ago • 105 views • 6:41

I 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 4 years 5 months 1 week ago • 1,749 views • 3:22

My nephew has tried Soylent [I can't get past the name]

posted by PlayhousePals 4 years 11 months 1 week ago • 17 views • 3:04