Physics spoiler alert: There are actually two methods to move water that don't require an external power source—but that’s not the same thing as running on free energy. The first method is the siphon ...

Question: Is there a way to siphon liquids — such as gasoline and antifreeze — from a car without putting your mouth on the siphoning tube? Joyce Ray: Yes. When you’re siphoning a fluid, you need a ...