Ancient Egyptians used ammonia salts for cleaning. They got it from—brace yourself—urine. Yes, that’s right. Grandpa’s ancient trick was basically… pee science.
Today’s version is much nicer. It comes from coal or natural gas. Progress.
Ancient Egyptians used ammonia salts for cleaning. They got it from—brace yourself—urine. Yes, that’s right. Grandpa’s ancient trick was basically… pee science.
Today’s version is much nicer. It comes from coal or natural gas. Progress.