Article last reviewed: 2016 | St. Rosemary Institution © 2010-2017 | Creative Commons 4.0

Differences in Radio AM and FM

In the modern society, radio is the most widely used medium of broadcasting and electronic communication : it plays a major role in many areas such as public safety, industrial manufacturing, processing, agriculture, transportation, entertainment, national defense, space travel, overseas communication, news reporting and weather forecasting. In radio broadcasts, they use the radio waves which…

Pythagorean Theorem

Trigonometry uses the fact that ratios of pairs of sides of triangles are functions of the angles.  The basis for mensuration of triangles is the right-angled triangle.  The term trigonometry means literally the measurement of triangles.  Trigonometry is a branch of mathematics that developed from simple measurements. A theorem is the most important result in…

Landfill Sites: Selection, Types, Techniques

There is currently much debate on the desirability of landfilling particular wastes, the practicability of alternatives such as waste minimisation or pre-treatment, the extent of waste pre-treatment required, and of the most appropriate landfilling strategies for the final residues. This debate is likely to stimulate significant developments in landfilling methods during the next decade. Current…