Each panel acts as a position sensitive detector for charged particles passing through.

At night, from the harbor, the panels act as beacons of color, punctuating all three floors.

Under the current system, if the panel does not act within 45 days, an investigation is automatically begun.

A panel like this acts as a kind of jury, taking information and determining what ultimately should result.

Later in the day, however, board officials decided the panel had acted illegally.

Having a good panel of experts to act as a buffer can force ideas into a reality.

However the panel never acted on this.

But the panel did not act on his proposal for clustering the high schools so students could attend one of their choice.

"How the panel acted and what they did, we'll have to see," Mr. Bloomberg said.

The panel must act by Feb. 29 to preserve the provisions that were in place throughout 2011.