Antennas are the electronic devices that are used to transmit and receive radio signals. These are electrical conductors for radio waves. Heinrich hertz discovered antennas in 1888. He discovered the antennas to prove the existence of electromagnetic waves. They convert radio frequency electrical current to electromagnetic waves and vice versa. The...
The function of antennas at base stations of cellular radio systems has been proven to be a successful way to increase the performance and the channel ability of personal communication systems. In compare to those technically highly developed base station antennas, the exterior and the practical principle of car antennas with omni directional patte...
Being able to talk on a handheld gadget without wires crossways the world is really a great achievement in technology. Few people stop and imagine about this minor miracle. However, when someone stuck somewhere unable to make a call because of a poor cell signal, the appreciation for this technology can be tested. Regrettably, cellular service prov...
Basically a cable is two or more wires bound together typically in a common jacket. Cable TV is a system of providing television network to the consumers. This is done through radio signals transmitted to the televisions through fixed optical fibers. Cable TV can be abbreviated as CATV. Initially it was known as Community Antenna Television origina...
Antennas are the electronic devices that are used for reception and transmission of radio waves. In other words it is an arrangement of aerial electronic conductors that are designed to receive and transmission of radio waves. Antennas convert radio frequency electric currents into electromagnetic waves. Antennas are used in all most all the electr...
It is not necessary to warm up only before participating in sports or exercising, even though they are traditionally done like that. The sole purpose of warm up is to gradually increase the intensity in the physical activity. Likewise before running or playing an intense sport a slow jog to warm the muscles and increase the heart rate. However the ...
While watching television the viewer is in a very relaxed mood and is absolutely entertained by the scenes. He can improve the utility of the time spent in watching television by performing some leg exercises. By this method, he can achieve dual gains of entertainment and body fitness simultaneously.
There are many things to be done within the house like cooking, cleaning, washing and many more. If the woman is working then she will get even less time for entertainment and household work. Household work is very time consuming and tiring. A woman can never feel free from the household work as it is never ending. Household works are also very imp...
While watching television the person is certainly very relaxed and in a very entertained state. But simultaneously if he performs facial exercises, it would certainly prove very rewarding. In the same time span, he would achieve tow goals of entertainment and exercise simultaneously.
Neck and throat facial exercises One good exercise is t...
There are many types of chest exercises to use in the chest workout. Each of the chest exercises must be performed with proper form. It not only avoid injury but to also allow the muscle to go through a full range of motion and get the most out of the exercise while watching television. Types of chest exercise: Flat bench press exercise ca...