Water Is Not One Liquid: The Hidden Two-State Nature of the Most Familiar Substance on Earth
Most people think water is simple. Clear. Tasteless. Ordinary. The liquid we drink, bathe in, cook with, cry through, and are mostly made of. But water has never behaved like an ordinary liquid. It expands when it freezes. Ice floats instead of sinking. It reaches its maximum density at about 4°C, not at its freezing […]