Global Warming Effects The most prominent among the greenhouses gases is the  carbon dioxide. The maximum amount of this gas is produced in America and Europe. The greenhouses gases raise the atmospheric temperature. It is told by the intergovernmental panel on climatic change that the Global Mean Temperature of the atmosphere has risen by about one degree Fahrenheit (0.55 degree Celsius) in the 20th century and by the end of 21st...

Effects Of Greenhouse Gases The most prominent among the greenhouses gases is the carbon dioxide. The maximum amount of this gas is produced in America and Europe. The greenhouse gases raise the atmospheric temperature. It is told by the intergovernmental Panel on climatic change that the Global Mean Temperature of the atmosphere has risen by about one degree Fahrenheit (0.55 degree Celsius ) in the 20th century. About half of it...

The Menace Of Loudspeakers Loudspeakers are a great nuisance. They spread noise pollution which affects human nerves and can make a person, especially and infant, deaf or perhaps even dumb. No doubt, we have several other agents that spread noise pollution such as horns of motor vehicles, buzzers and hooters of factories, noises of people in markets, high volumes of TV and radio sets, juggins sounds of tractors, scooters and generators, ...

The Menace of Garbage We do dream of being a developed world by 2020 or earlier, but actually at least to this date, our country, as far as its major parts are concerned, is only a big slum. Wherever we go, we see heaps of garbage lying in the open. These heaps are not cleared for months together as the municipal  van shows up only occasionally, say after a week or...

The Jogging Robots Robots have since long been in use. They are commonly used in some advanced countries like Japan. Actually, robots are just machines which look like human  beings and which perform certain acts that are  normally done by human beings. Especially those actions which seem difficult or boring to human beings, are assigned to robots and are thus got done in a plain, simple way. So far, we had...

Ultraviolet (UV) Radiation The sun spreads its rays of light in the form of electromagnetic radiation. These have different names and forms such as ultraviolet rays , gamma rays, infrared rays, radio waves, microwaves, visible rays, etc.   The most dangerous among all the rays mentioned above are the ultraviolet (UV) rays. These rays are invisible except that when they fall on certain kinds of material they can make them emit...