ZME Science on MSN6mon
New study says China uses 80% artificial sand. Here’s why that’s a big deal
The world is running out of sand. About 50 billion tons of sand and gravel are extracted annually, most of which is used for ...
Business Insider6y
Why the world is running out of sand
GONE by 2100. All because of sand. Even if you don't think about the grainy stuff, you use it daily. You're reading this off something made with sand, looking at it through a screen made with sand ...
International Monetary Fund2y
The Insatiable Demand for Sand
“Sand and gravel represent the highest volume of raw material used on earth after water. Their use greatly exceeds their natural renewal rates” (UNEP, 2014). Each grain of sand originates from rock on ...
Hackaday12y
Zen Rock Garden Table Uses Magnets And Sand
[Nick] is working on a prototype of a coffee table sand plotter that draws patterns in sand a lot like a zen rock garden. [Nick]’s zen rock garden uses a magnet to draw a ball bearing across ...
Naples Daily News22d
Marco Island reuses sand instead of importing it for beach refurbishment, saving millions
About 200,000 yards of sand was used for the renourishment. "That project is a ground-breaking project, because it set a very good precedent of working with nature in the sense that it's not a ...
Hackaday3y
Building A Kinetic Sand Art Table
The table uses a Cartesian motion platform to move a magnet underneath a table. On top of the table, a metal sphere attached to the magnet moves through craft sand to draw attractive patterns.