1.   An FM signal can also bounce off buildings, doubling back and canceling itself out, resulting in static or garbled reception.

2.   And Iridium can cut the price of a call by letting a signal bounce from satellite to satellite without the cost of using ground networks.

3.   Instead of the call going to a cell tower, the signal bounces off a satellite.

4.   Restocking signals bounce from there to the El Paso warehouse, where conveyor belts and electronic eyes do much of the sorting and carrying.

5.   The signal bounces off any clouds that are heavy with water, which are displayed on a computer screen as yellow patches.

6.   The system is also sophisticated enough to work with handsets indoors, even though signals often bounce off metal objects, resulting in multiple reflections.

7.   Radar signals bounced off the planet from Arecibo were collected and recorded in Green Bank.