Coat the inside of the bottle with LiquiGlide! LiquiGlide works by creating a thin layer of lubricant that prevents friction caused by sticky foods and substances. Created originally in 2012 by a professor, Kripa Varanasi and his grad students at MIT, its makers hope that its application into the containers of various products, including gel, mayonnaise, and glue will help reduce waste. Interestingly, studies show that people end up throwing out up to a quarter of a product because it’s too much of a pain to coax out the layers that stick to the container. ...