Tarmacadam Tarmacadam Tarmacadam is a road surfacing material made by combining macadam surfaces, tar, and sand, patented by Welsh inventor Edgar Purnell Hooley in 1902. The terms "tarmacadam" and tarmac are also used, with varying degrees of correctness, for a variety of other materials, including tar-grouted macadam, bituminous surface treatments, and modern asphalt concrete. The term is also often used to describe airport aprons (also referred to as "ramps"), taxiways, and runways regardless of the surface. Pioneered by Scottish engineer in the 1820s, macadam roads are prone to rutting and generating dust. Methods to stabilize macadam surfaces with tar date back
The Material The Material "For the New York City band of the same name, see Material (band)" The Material is an American rock band from San Diego, California. Colleen D'Agostino (vocals) moved to San Diego to pursue a music degree at San Diego State University. In her third year, she began playing with Jon Moreaux (guitar) and Noah Vowles (drums). The three added bassist Kevin Falk, formerly of Every Time I Die and Between the Buried and Me, and started writing songs for their first demo. Kevin was replaced by Brian Miller (bass), and Roi Elam (guitar) joined shortly after. With the