Color buffing produces a bright lustrous or polished surface. Crushed / Irregular Abrasive grit, nugget, or media has a crushed or irregular shape. Typically, the irregular or crushed shapes are very ...

Sapphire is a high-purity and high-density, single-crystalline form of aluminum oxide that may contain chromia, titania, yttria, or other dopants. Sapphire is usually transparent or translucent.

Sodium aluminate forms through the chemical reaction of aluminum oxide with sodium hydroxide and water, as follows: The residues sink gradually to the bottom of the tank and are later removed. In the ...

On Saturday night, dozens of people spotted a fiery object burning and breaking up, creating several streaks across the night ...

In a first for the world, scientists launched a satellite made from wood into space. As it orbits the planet from some 250 ...

Aluminum doesn’t solder well, and that’s because of the oxide layer that rapidly forms on the surface. [Ted]’s solution is to scour the aluminum with some mineral oil. The goal is to scrape ...

Joe walks us through how he restores a rusty 1960s Structo airport truck, from removing the rust to powder-coating the parts.

Like their gemstone cousin the sapphire, rubies are just a variety of corundum, or aluminum oxide. Where sapphire gets its blue tint mainly from iron, rubies get their pink to blood-red hue from ...

In contrast to most other batteries, in which the cathode and anode are immersed in a shared pool of liquid electrolyte, the ...

A Japanese team launched LignoSat, the world's first wooden satellite, to the International Space Station (ISS). This 10-cm³ ...

“Boron particles are not ignited easily,” says Pivkina, “because the solid boron core is coated with an oxide shell that ... by the Partnership & Custom Media unit of Nature Research for ...