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…

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…

Advantages of Producing Crops Through Use of Hydroponics

HYDROPONICS derives its name from the Greek HYDRO-PONOS meaning water/labor.  Literally, “Hydroponics” means “Water Work.” There is no soil in a hydroponic garden.  No organic matter is present so nourishment (Nutrient) is not available to the plants in the same was as it is in a soil garden.  Instead, nutrients are added to the water. …

Vitamins & Nutrient Supplements: History, Use, Effectiveness

A Vitamin is any organic compound required by the body in small amounts for metabolism, to protect health, and for proper growth in children. Vitamins also assist in the formation of hormones, blood cells, the chemicals of the nervous-system, and genetic material. The various vitamins are not chemically related, and most differ in their physiological…

Antihistamines: Uses, Facts, Side Effects

Antihistamines are drugs that block the action of histamine. Histamine, also known as histamine phosphate, an amine (beta-imidazolyl-ethylamine, ergamine, or ergotidime) that is a normal constituent of almost all animal body cells. Histamine is also found in small quantities in ergot and purified meat products and is produced synthetically for medicinal purposes. In the body,…