Where does Water Come From?
Ask any child, “Where does water come from?” and the usual answer will be, “From the faucet, stupid!” Well, they may not add the injective, but if you pressed them on this—“You mean that’s all there is to it? Water just comes from the faucet?”—they might respond with conviction, “Of course not! You have to turn the knob first! Here, let me show you.” You might get a similar response if you asked where electricity comes from or where television programs or YouTube videos come from. “From the wall socket, from the television, or from my laptop!” Oh, and…

















