Bamboo is a highly renewable resource, and its cellulose fibres can be turned into a hard, mouldable plastic for use in cars ...
The notice offered a $10,000 prize to anyone who could invent a substitute for ivory in billiard balls. Playing pool was a booming leisure activity at the time, but the demand for ivory was already ...
Mix water with this fruit scrap, and voilà, you have just the thing to polish your silverware. Be careful of using it on other kitchen surfaces, though!