ENTER SUBJECT
Got essays up the wazoo? Then you have found the right site. With over 45,000 essays, reports, and papers in our database, we are the
busy student's best friend. Get instant access and download all the essays you will ever need for one low price! Don't wait any longer...
that essay isn't going to write itself. So click the button below and join today.
Here is a free sample excerpt of the essay
What Is Radar
Part I of Essay
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 b .... Part II of Essay .... is moving. This information can be used to
direct the firing of guns and missiles to protect a country against attack.
In peacetime, radar can help navigate ships, land planes in a fog, and
guide astronauts. Radar can help control street traffic and assist the
police in finding speeding automobiles.
Radar sets come in many sizes. A small set, made for use in a guided
missile, is not much larger than a coffeepot. The larger sets used to study
distant planets may oupy a building many stories high. The size of a radar
set depends on th ....
Membership Option |
Price |
Join |
30 days (recurring) |
$19.95 |
90 days (recurring) |
$39.95 |
180 days (non-recurring) |
$69.95 |
|
|
|
Words: 2203 - Pages: 9
|