These facts about dunes will blow you away

The new Dune movie looks pretty cool, but it's hard to beat plain old sand dunes. The ever-changing landform is comprised of tiny particles of all sorts of things—quartz, gypsum, coral, even war shrapnel! The term "sand" refers to particle size, not constitution, so "sand" can be made up of almost anything. — Read the rest

from Boing Boing https://ift.tt/3BaBthd
via IFTTT

Share on Google Plus

About Unknown

This is a short description in the author block about the author. You edit it by entering text in the "Biographical Info" field in the user admin panel.