Protecting Your Mattress and Yourself
So you are buying or have just bought a new mattress. The sales person at the store, customer service rep on the phone, or the website selling the mattress recommends buying a mattress protector, too. "Why," you ask, "do I need a mattress protector?"
Good question. Why or why not? We don't like the idea. For one thing, it's one more thing to buy. For another thing, we may remember the uncomfortable plastic sheets our parents put on mattresses when we...
What Are You Sleeping on?
The Ingredients List for Mattress Recipes
What are you sleeping on? A few of the readers of this article may sleep in a sleeping bag or on folded blankets or quilts on a sleeping mat or an air mattress, especially if they are camping at the time and using a smart phone or tablet. Most of us, however, sleep on beds of one sort or another, also including sofas, futons, semi sleepers, and built-in beds.
The most common configuration for a bed in North America is a...
[caption id="attachment_862" align="aligncenter" width="382"] Uses of Nylon[/caption]
Nylon is a thermoplastic amide polymer.* Invented in 1935 by DuPont chemical engineer Wallace Carothers and first used for toothbrush bristles, nylon is the most used synthetic fiber. In 1940 it was introduced as a substitute for silk in stockings. Nylon is very similar to silk, and with Japanese occupation of China the supply of silk was restricted. Then in 1942, nylon replaced silk in parachutes....