Where were you ten years ago when the power died?
That's what many of us in the Midwest are asking each other today.
It was ten years ago this day when the largest blackout in North America left 55 million people in 8 states and Canada in the dark.
The cost of the Blackout of 2003? Anywhere from $4-10 billion.
What changes have been made to the grid in that decade? Could a blackout like that happen again?
Maggie Koerth-Baker is a science columnist for the New York Times Magazine, the science editor at BoingBoing.net, and the author of "Before the Lights Go Out."
She joined us today from Minneapolis.
Listen to the full interview above.