How your mouse moves

The mystery is finally resolved.

How does the small arrow on your computer monitor work when we move the mouse?

Haven't you ever wondered how it works?

Now, through the miracle of high technology, we can see how it is done.

With the aid of a screen magnifying lens, the mechanism becomes apparent.

When the load is complete, slowly move your mouse over the light gray circle and you will see how the magic works.

[ Original from: ]