Every year in October, about 11,000 athletes travel to Cambridge, Massachusetts to compete in the head of the Charles Regatta, the largest boating regatta of its kind.

1,900 boats piloted and powered by incredibly strong, hard-working men and women

who are pushing themselves to the limits

to make their boats go,

and they all head in the same direction.

So the question is, with 11,000 people all pushing water with their oars as hard as they

can in the same direction.

Where does the water go?

Hey, this is Emily in the Bronx,

and you are listening to a special've thought about a Kimbo.

Well, if you've thought about it at all, which you probably haven't, you've realized the water doesn't go anywhere.

It doesn't matter how strong an Ors person is, he or she is not able to actually move the water in the Charles River much of anywhere.

So why bother? What is the purpose of putting your oar in the water and leaning against it if the water itself isn't being pushed backwards?

No giant waves are reaching the shore. Water weighs about 8 pounds a

gallon. It's too heavy to move. Plus you can't just move the water you're touching.

You have to move all the water that water is touching.

You're not going to be able to push the Charles River around.

What's actually happening is leverage.

Well, to get it back.

Get it back.

That's it. All right, Starbridge, start hitting, that's it.

All right, girls, on that high 15,

...