Use a pigment or stain. Adding a stain or pigment to the concrete after etching is a great way to make it more visually attractive. For some interior spaces, stained concrete can give a clean, elegant, modern look to the room. Even some outdoor spaces, like patios, can use stained concrete to great effect.
Japanâs Mazda founded. On this day in 1920, Jujiro Matsuda (1875-1952) forms Toyo Cork Kogyo, a business that makes cork, in Hiroshima, Japan; just over a decade later the company produces its first automobile and eventually changes its name to Mazda.
Where did that Russian meteor come from? Astronomers determine origins. Relying on the many publicly available videos of the meteor that exploded over Russia's Ural Mountains earlier this month, a pair of Colombian astronomers say that they have calculated the space rock's orbit. February 27, 2013. This dashcam video frame grab shows a meteor streaking across the sky of Russiaâs Ural Mountains earlier this month.