Part one of term paper
The word "radar" was invented by scientists of the United States Navy during World War II. The word comes from the first letters in the term "radio detection and ranging.""Detection," as used here, means finding an object or target by sending out a radio signal that will bounce back off the target as a radio echo. "Ranging" means measuring ...

Part two of term paper
... such "targets" even in darkness, smoke, clouds, fog, or rain. Radar is also used in weather prediction to locate storm systems. An airplane can carry a radar set\et to aid in determining the airplane's ground speed. Ships can carry radar to detect icebergs, other ships, and aircraft. Radar can do more than find a target. It can tell how fast and in which direction the target is moving. This information can be used to direct the firing of guns and missiles to protect a country against ...