Technology

Cell Phones and Cancer Risk

What is radiofrequency energy and how does it affect the body? Radiofrequency energy is a form of electromagnetic radiation. Electromagnetic radiation can be categorized into two types: ionizing (e.g., x-rays, radon, and cosmic rays) and non-ionizing (e.g., radiofrequency and extremely low frequency, or power frequency). Electromagnetic radiation is defined according to its wavelength and frequency, More..

Technology

Notebook computer

A laptop, also called a notebook computer or simply a notebook, is a small, portable personal computer with a “clamshell” form factor, having, typically, a thin LCD or LED computer screen mounted on the inside of the upper lid of the “clamshell” and an alphanumeric keyboard on the inside of the lower lid. The “clamshell” More..

Technology

Knowledge of techniques and processes

This article is about the use and knowledge of techniques and processes for producing goods and services. For other uses, see Technology (disambiguation). A steam turbine with the case opened. Such turbines produce most of the electricity used today. Electricity consumption and living standards are highly correlated.[1] Electrification is believed to be the most important More..

National Technology

Hello world!

A Hello world program is usually a program made by computer programmers that are new to a programming languages, or to test if the compiler for this language is working correctly. It will simply put the text Hello, World! on the screen. One way to do the Hello World program is shown below, in the More..