The US military knows that its branches must revamp their thinking about how to engage in “the theater of war” in the new, post-Cold War world of the 21st century. One thing that the military leaders stress is the desire for the forces deployed in the theater to be able to be more energy-independent. Currently the US military has policies and proce...
Decades of tree and biomass research jointly conducted by Florida Statue University and Shell Energy have resulted in the planting of the largest single “Energy Crop Plantation” in the entire United States. This Plantation spans approximately 130 acres and is home to over 250,000 planted trees including cottonwoods (native to the area) and eucalypt...
Computers, and even more so, the Internet, have become an integral part of everyday life. Cable Internet and DSL providers have completely changed, even revolutionized, the way we do things. Whether it’s communicating with email, watching the latest movie trailers, or conducting international business, broadband Internet has changed the way we inte...
Believe it or not chocolates are good for your health. There have been studies that were conducted by major research institutes that people who constantly eat chocolates have a longer life span than those who don’t usually eat them. Chocolates are also filled with antioxidants that fights off cancer, cardiovascular diseases, thwarts off strokes, an...
The antennas are the starting point of the broadcasting system. Antennas form the basic device for the working of radios and televisions. They are also used in areas like radar and space communication, under water operations and even for under ground tasks. However, it is necessary to check the functionality of the antennas on the basis of certain ...
Antennas are electronic devices used to transmit and receive radio signals. Antenna is an arrangement of aerial electrical conductors. Heinrich hertz discovered antennas in 1888. For the first time he used the antennas to prove the existence of electromagnetic waves. The antennas convert radio frequency electrical current into an electromagnetic wa...
There are many types of antenna for television. The person should buy according to their need and choice of picture clarity. Among many here are the list of few antennas for a quick glance. Types: 1. HDTV Antenna-There is zero different about an aerial for DTV or HDTV. Dishonest people have used this as an advertising trick. The h...
An antenna is a component which directs the movement of radio active waves; the antenna directs the incoming and outgoing of the radio active waves. It is usually made up of metal; it is available in many shapes and sizes. The antenna is used for broadcasting of radio and television. An antenna uses the parabolic reflectors to focus the signals of ...
The television sets are incomplete without antennas. It is the antennas
that transmit the signals into electromagnetic waves and broadcast the visuals
on the television. However, the television antennas are powerful and need to be
handled with great care and caution. The individuals may suffer from physical
injury if they do not handle the ...
Amplifier is an electronic device using transistors or electron tubes. This is used to produce and amplification of an electrical signal. It also increases and restores the strength of the signals passing through it. It involves the controlled conduction of electrons especially in a gas or vacuum or semiconductor. An amplifier uses a small amount o...