You’ve reached content that’s exclusive to AARP members.

To continue, you’ll need to become an AARP member. Join now, and you’ll have access to all the great content and features in Staying Sharp, plus more AARP member benefits.


Already a member?

Want to read more? Create an account on

A healthy lifestyle helps protect the brain. Make brain health a habit and register on to access Staying Sharp.

Login to Unlock Access

Not Registered?

Mirror Map™

Redirect a light beam with mirrors to hit a target

Add to My Favorites
My Favorites page is currently unavailable.

Add to My Favorites

Added to My Favorites


A beam of light shoots in a straight line across a grid, but you need the light to hit a target. To do that, you’ll place one or more mirrors in the grid squares to redirect the light.

Up Next