Lever a place to stand, and I shall move the Earth with it' is a remark of Archimedes who formally stated the correct mathematical principle of levers (quoted by Pappus of Alexandria). It is assumed that in ancient Egypt, constructors used the lever to move and uplift obelisks weighing more than 100 tons. A lever is a beam connected to ground by a hinge, or pivot, called a fulcrum. The ideal lever does not dissipate or store energy, which means there is no friction in the hinge or bending in the beam. In this case, the power into the lever equals
Had Enough (The Who song) failed rock opera, 905, finally snapping under the pressure and stress of his life. "Had Enough" saw single release as a double-A side single with "Who Are You" in 1978 prior to the "Who Are You" album's release. Despite this, "Had Enough" received far less radio airplay than "Who Are You" but American FM rock radio played the song frequently after its release. Entwistle later joked that most people probably thought the song was a B-side because it said "Entwistle" on it. It was never performed live by the Who, although it featured in many of Entwistle's solo concerts. "Had