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The pound per square inch or, more pound-force per square inch is a unit of pressure or of stress based on avoirdupois units. It is the pressure resulting from a force of one pound-force applied to an area of one square inch. In SI units, 1 psi is equal to 6895 N/m2. Pounds per square inch absolute is used to make it clear that the pressure is relative to a vacuum rather than the ambient atmospheric pressure. Since atmospheric pressure at sea level is around 14.7 psi, this will be added to any pressure reading made in air at sea level. The converse is pounds per square inch gauge, indicating that the pressure is relative to atmospheric pressure. For example, a bicycle tire pumped up to 65 psig in a local atmospheric pressure at sea level will have a pressure of 79.7 psia. When gauge pressure is referenced to something other than ambient atmospheric pressure the units would be pounds per square inch differential; the kilopound per square inch is a scaled unit derived from psi, equivalent to a thousand psi. ksi are not used for gas pressures.

They are used in materials science, where the tensile strength of a material is measured as a large number of psi. The conversion in SI units is 1 MPa = 0.145 ksi. The megapound per square inch is another multiple equal to a million psi, it is used in mechanics for the elastic modulus of materials for metals. The conversion in SI units is 1 GPa = 0.145 Mpsi. Inch of water: 0.036 psid Blood pressure – clinically normal human blood pressure: 2.32 psig/1.55 psig Natural gas residential piped in for consumer appliance. Boost pressure provided by an automotive turbocharger: 6–15 psig NFL football: 12.5–13.5 psig Atmospheric pressure at sea level: 14.7 psia Automobile tire overpressure: 32 psig Bicycle tire overpressure: 65 psig Workshop or garage air tools: 90 psig Air brake or air brake reservoir overpressure: 90–120 psig Road racing bicycle tire overpressure: 120 psig Steam locomotive fire tube boiler: 150–280 psig Union Pacific Big Boy steam locomotive boiler: 300 psig US Navy steam boiler pressure 800 psi Natural gas pipelines: 800–1000 psig Full SCBA for IDLH atmospheres: 2216 psig Nuclear reactor primary loop 2300 psi Full SCUBA tank overpressure: 3000 psig Full SCBA for interior firefighting operations: 4500 psig Airbus A380 hydraulic system: 5000 psig Ultimate strength of ASTM A36 steel: 58,000 psi Water jet cutter: 40,000–100,000 psig The exact conversions to and from SI are, by definition: 1 lbf/in2 = Pa 1 Pa = lbf/in2As the pascal is small unit, relative to industrial pressures, the kilopascal is used.

1000 kPa = 145 lbf/in2. Approximate conversions are shown in the following table. Conversion of units: Pressure or mechanical stress Pressure: Units Pressure measurement primer Online pressure conversions ksi to psi conversions

Mike Bones is the stage name of Mike Strallow, a New York–based guitarist singer-songwriter who established himself as one of the top guitarists on the New York underground/independent scene for his work with Soldiers of Fortune, Damon McMahon, Lizzie Trulie, the Mighty Flashlight. He emerged as a solo artist under the name Mike Bones. Born in 1980 and raised in Bloomfield, New Jersey, Strallow began learning to play guitar when he was six years old, though he didn't have an instrument of his own until he was ten. In his late teens, Strallow moved to New York City and began immersing himself in the city's music scene while honing his guitar technique. Strallow had been playing guitar with a handful of groups before he began taking his first steps as a songwriter, influenced by American roots artists such as Skip James and Hank Williams as well as the angst-filled confessions of Leonard Cohen. Strallow started putting his songs to tape during a stay in Memphis with friends from the band Lucero, but these early sessions went unreleased and it was only in the summer of 2006 that Strallow began serious work on his first full-length album.

Setting up at a Brooklyn recording studio owned by members of the band Oneida, Strallow's sessions included appearances by Parker Kindred of Antony and the Johnsons, Patrick Sullivan of Oakley Hall, El-P sideman Wilder Zoby, Brad Truax of White Magic and Home. Rather than release the project under his own name, Strallow used the moniker Mike Bones, a nickname from his childhood; the first Mike Bones album, The Sky Behind the Sea, was released by the independent label The Social Registry in the fall of 2007. The Sky Behind The Sea What I Have Left" 7-inch A Fool For Everyone Mike Bones on Myspace

Daniel Brendel of Homburg was the Archbishop-Elector of Mainz from 1555 to 1582. Daniel Brendel of Homburg was born in Aschaffenburg on March 22, 1522; the cathedral chapter of Mainz Cathedral elected Daniel to be Archbishop of Mainz on April 18, 1555. Pope Paul IV confirmed his election on August 23, 1555, he was ordained by Rudolf von und zu Frankenstein, Bishop of Speyer, in June 1557. Daniel Brendel founded a college for the training of Jesuits at the University of Mainz in 1561. Daniel Brendel took place in the Frankfurt election of 1558, which recognized the abdication of Charles V, Holy Roman Emperor and confirmed that his successor was Ferdinand I, Holy Roman Emperor. During the Imperial election of 1562, Daniel Brendel voted for Maximilian, King of the Romans crowning Maximilian Holy Roman Emperor in Frankfurt in 1564. During the imperial election held in Regensburg on October 27, 1575, Daniel Brendel voted for Rudolf, King of the Romans, whom Daniel Brendel crowned Holy Roman Emperor in Regensburg in 1576.

Daniel Brendel expanded the size of the Archbishopric of Mainz by acquiring Rieneck, Königstein im Taunus. Daniel Brendel's head cook, Marx Rumpolt, published the famous cookbook Ein new Kochbuch in 1581. Daniel Brendel died in Aschaffenburg on March 22, 1582; this page is based on this page on German Wikipedia. Walter Goetz, "Daniel, Kurfürst von Mainz", in Realencyklopädie für protestantische Theologie und Kirche, Volume 4, p. 441-445