Why Do Car Batteries Drain On Cement?

Factual Questions
1

My Mom told me this yesterday and I cant for the life of me understand why. So, why DO car batteries lose all their energy when left sitting on top of cement?

2

They don’t. Its a myth. Or, at least no slower than they would if placed anywhere else.

3

I was told that this is a myth by my father. It occurred to me after posting that you probably wouldn’t take his word for it (which doesn’t offend me, because eris knows I almost never do). So, here’s a link on the subject:

http://www.nsf.gov/nstw_questions/phys/quest044.htm

We can probably trust the National Science Foundation on this one.

4

Happy Feet, welcome to the board. This has been discussed several times in the past and I remember a recent thread. If you do a search you will find it. It is good practice to always search before you ask as your question may have been discussed before.

5

Here is the earlier thread, but you really only need to read this.