This is led by the production of concrete, which is typically made up of about 25% sand. The problem when it comes to supply is that most desert or beach sand is unsuitable - desert sand is too ...

You cannot have concrete without sand. River beds are being dug up across Africa to fuel a building boom, with little thought for what this means for the health of the river, and those who depend ...

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[Thomas Sanladerer] wanted to create some molds using 3D printing for concrete and plaster. He used a delta printer with flexible filament and documented his process in the video below. If you ...

A sand filter, or "filtration basin", is a stormwater quality treatment system that works by using a two-component clarification system: the first is a sediment forebay for settling large particles ...

Mark Newton and Jesse Gonzales explain what happens when the metal frames are removed from the poured walls, then they apply a three-coat plaster. It has been nearly 12 hours since the concrete ...

Pool plaster finishes are the oldest and most common type of finish for an in-ground pool, but you can make it feel a little more unique by picking out a plaster color. Plaster finishing for pools ...

His latest approach is to embed the prints in plaster and then anneal in an attempt to fuse the plastic together without changing its shape or size. Did it work? See for yourself in the video below.

A mustard plaster, or mustard pack, is a home remedy believed to ease symptoms of respiratory conditions. However, there’s no evidence that mustard plasters work. The treatment may also cause ...