Glue is so good at sticking to things that it inevitably clings to the one place we need it the least: the inner wall of the bottle. But after more than 65 years holding school art projects together, one of the leading glue manufacturers has found a way out of this sticky situation. Elmer’s will coat the inside of their bottles with a new, super-slick coating that will ensure every last drop goes where you need it. The company recently signed an exclusive license with LiquiGlide, the makers of a magically slippery substance. But of course it's not magic — just some pretty amazing science.
We use a wide variety of products that like to stick inside their containers, such as ketchup, hand lotion, toothpaste and maple syrup. These products are stubborn container clingers because they are Bingham plastics, or materials that behave like a solid but flow like a ...
