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I believe that with the new salt and pepper shakers, the salt shaker is the one with 3 holes, while the pepper goes in the one with 2 holes. Salt is used more than pepper anyway. Pepper should only ever be fresh ground at the table, meaning salt shakers win out.
In the modern era, there are less smelly ways to get saltpeter, typically through an industrial process that uses ammonia as a base. While you cannot literally make gunpowder from urine, as you need several other ingredients to produce it, urine can certainly be used to produce one necessary element.In addition to saltpeter, however, you would also need charcoal and sulfur.These ingredients are both readily available, unlike saltpeter, so the popular stories about using urine to make gunpowder do have a rational basis.n the modern era, there are less smelly ways to get saltpeter, typically through an industrial process that uses ammonia as a base. While you cannot literally make gunpowder from urine, as you need several other ingredients to produce it, urine can certainly be used to produce one necessary element.