See also:

AM radio reception
AM signals, because of their low frequency, can bend around objects and skip along the ground. In addition, the signals can be bounced off the ionosphere and bent back to earth. Because of these c ...

Styling
The Sentra's tall stance and short hood and trunklid make the car look a bit stubby in profile. It's not nearly as sleek as the Civic, which is still futuristic looking even though it's been aroun ...

Three-way catalyst
The three-way catalyst is an emission control device installed in the exhaust system. Exhaust gases in the three-way catalyst are burned at high temperatures to help reduce pollutants. WARNING: ...