News

There are three Great Pyramids at Giza in Egypt - but imagine if there were 307 of the mighty edifices. And then imagine that they had dissolved into over two billion tons of sand and dust ...
These experiments showed that engineered silica particles made from purified sand conferred their anti-obesity effects by hampering activity of digestive enzymes called α-Amylas and pancreatic ...
Sand Filters Basins Picture of Surface Sand Filter What is a Sand Filter? A sand filter, or "filtration basin", is a stormwater quality treatment system that works by using a two-component ...
There are many kinds of sand — light, dark, soft, firm — and they vary widely in appearance, performance and cost. A veteran superintendent explains.
Silt particles make a soil feel silky. The ideal soil is not one that is predominantly sand, silt, or clay, but one that has all these particles in amounts that let each express itself.
Scientists classify any collection of small, hard particles—such as puffed rice, sand grains or pills— as a granular system.
Clark Moorten always called it "blow sand" but you'll recognize this "dune sand" wherever you go in the desert because it's snow white. He recommended I gather it for our garden needs.
Most soils, of course, are not all sand or all clay. They are a mix of different-size particles that might also include silt, which is intermediate in size between sand and clay.
Mineral coatings on sand particles actually encourage microbial activity in the rapid sand filters that are used to treat groundwater for drinking, according to a paper. These findings ...
BENGALURU: Bengaluru doesn’t have a beach or desert nearby. Yet, sand constitutes most of the road dust, contributing prominently to air pollution in the city.
Watch sand defy gravity and flow uphill thanks to “negative friction” Applying magnetic forces to single iron oxide-coated particles spurs strange collective motion.