Fool’s gold isn’t so foolish: Scientists find hidden treasure in pyrite

Airlines have strict rules about where you can pack your laptop, and lithium-ion batteries are the reason. These batteries, which power everything from phones to electric cars, can pose a fire risk under certain conditions. The danger comes from lithium itself. This lightweight metal is highly reactive, meaning it can quickly undergo chemical reactions. For example, when pure lithium comes into contact with water, it produces heat and releases hydrogen gas, which is extremely flamm...