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Mobile phone radiation and health
Mobile phone radiation and health concerns have been raised following the enormous increase in the use of wireless mobile telephony throughout the world (as of August 2005, there were more than 2 ... > more -
Voice over IP
Voice over Internet Protocol (also called VoIP, IP Telephony, Internet telephony, and Broadband Phone) is the routing of voice conversations over the Internet or any other IP-based network. The voice ... > more -
Newton's cradle
Newton's cradle or Newton's balls, named after Sir Isaac Newton is a device that demonstrates conservation of momentum and energy. It is constructed from a series of pendulums (usually five in ... > more -
Scientific method
Scientific method is a body of techniques for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge. It is based on gathering observable, empirical and ... > more -
Electricity
Electricity is a property of matter that results from the presence or movement of electric charge. Together with magnetism, it constitutes the fundamental interaction known as electromagnetism. ... > more -
Electromagnetic radiation
Electromagnetic radiation is a propagating wave in space with electric and magnetic components. These components oscillate at right angles to each other and to the direction of ... > more -
Circuit design
The process of circuit design can cover systems ranging from national power grids all the way down to the individual transistors within an integrated circuit. For simple circuits the design process ... > more
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