Q: Can a minor front-end collision make my water pump make noise, but still work fine? I have a 2018 Toyota Corolla iM. My water pump has been making noise, like it’s humming loudly and might blow up ...

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 ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling. He once ...