Memoryfoam mattress is just a form of bed that's produced from polyurethane. Besides memory, it's also made from other forms of substances. The substances which can be added to the bed foams gives the ability to increase in occurrence to it. Memory foam mattress can also be called viscoelastic memory foam. The mattress originated in order to meet with the mattress shoppers' requirement.The Memory Foam Mattress' real history might be traced back to NASA's Ames Research Center. The Ames Research Center of NASA funded a task to design a bed foam that will help to ease pain of the astronauts due to g-forces back in the 1970s. NASA believed the foam product must be used to adapt to the shape of your body. Although creating a form for that body can help to fix the situation, the person could eventually move out of the career. To the body, incorrect stress points will soon be created as a result. Later, the investigation staff from NASA's Ames Research Center identified ways to produce a foam that may adjust the your body's form. It's a visco elastc foam that can evenly distribute the human body's weight towards the foam area.mattress-inquirer rating and evaluationSynthetic polyurethane foam material is used while the foam memory. The bed manufacurers may add several types of compounds to improve the density of the foam. The foam could have higher density following the compound is added. Besides, the manufacturer may add a viscoelastic foam product. The visco elastic foam is non-toxic. The foam fat is detemined by how much compounds are utilized within the foam's production process. Most memoryfoam mattress features a weight of 4 - 5lb. Brighter polyurethane foam bed fat among 2 - 3 pound. In 1991, a company located in Sweden, Tempurpedic sold the people the study mattresss foam in Sweden. After that, Tempur Pedic bought the memory mattress foam towards the people that are now living in Canada and Usa. Tempurpedic's bed became very popular. Tempur Pedic's success had caused the producers to create their particular designs of memory foam beds and sell them for the local customers.