Over the course of October at London Heathrow Airport, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 54 minutes, implying an average daily decrease of 3 minutes, 48 seconds, and weekly decrease of 26 minutes, 35 seconds.
Polyester is a synthetic fiber derived from coal, air, water, and petroleum. Developed in a 20th-century laboratory, polyester fibers are formed from a chemical reaction between an acid and alcohol.
Jupiterimages/Photos.com/Getty Images. Polyester is a durable, easy-care synthetic fabric made from petroleum byproducts. It can be manufactured in a variety of weights and textures. Polyester is used for a wide range of applications, including clothing, home furnishings and industrial fabrics.