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
What Is Life the role of "entertainer" in his songwriting. In "I Me Mine", Harrison recalls that he changed his mind about offering "What Is Life" to Preston once he'd arrived at Olympic Studios and found the singer busy working on more typical material – or "playing his funky stuff" as Harrison puts it. Rather than attempt it with the Beatles during the band's concurrent "Abbey Road" sessions, he stockpiled the track with his many other unused songs from the period – "All Things Must Pass", "Let It Down", "I'd Have You Anytime" and "Run of the Mill" among them – and revisited