Corrugated cardboard has two main components: the linerboard and the medium. Both are made of a special kind of heavy paper. Linerboard is the flat facing that adheres to the medium. The medium is the wavy fluted paper in between the liners. Single Wall is manufactured with the medium between two sheets of linerboard. Double Wall has three sheets of linerboard with two mediums in between.
A new Microsoft-commissioned survey shows European girls lose interest in STEM subjects around the age of 15. Microsoft admitted it doesn't have a comprehensive explanation for why 15-year-old girls lose interest in science and math.
At the very least, Republicans-and journalists--should be asking the President to show his math. Tax Breaks for Corporate Jets: The Non-Issue at the Heart of the Presidential Agenda Megan McArdle April 9, 2013. âI want to be a math teacher,â says the 17-year-old, her printed green scarf falling on to her lap. North Indian 'Apni Beti' Program Strikes a Blow Against Child Marriage Gayle Tzemach Lemmon December 18, 2011. Right now, I am just trying to encourage, especially children, to pay more attention to math and science.