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...
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...
Antennas are the electronic devices used for transmission and reception of electromagnetic or radio waves. Basically an antenna is an arrangement of aerial electrical conductors. They convert radio frequency electrical currents into electromagnetic waves and vice versa. Antennas have wide range of uses. They are used in the systems such as radio an...
Another name of antenna is aerial. The main function of antenna is to transmit and receive the radio active waves. It is an arrangement of the electric conductors. Antenna converts the radio frequency into electro magnetic waves and vice versa. Main purpose of antenna is television broadcasting, space exploration and radio communication. Usually th...
There are many indoor concrete buildings with no windows within 35 feet of the cellular phone units. Criteria for these new locations include low or unsound signal without the antenna booster installed. Tests conducted for indoor functionality of the antenna booster spanned over a period of time of no less than a couple of months. The rationale for...
The triceps are actually a large three headed skeletal muscles that are found in the humans. The triceps run along in the back of each of the upper part of the arms. It is often seen that people who exercise their arms with weights often neglect the triceps group of the muscles in favor of the biceps that form the frontal portion of the triceps. In...
A good way to get an aerobic exercise is to use a rowing machine. And rowing while watching TV can be fun. Rowing moves one’s body through a wider range of motion than most other activities. It allows one to stretch his muscles and rotate his joints. Exercise rowing machines build muscular strength and endurance by working out muscles in arms, legs...
While watching television the viewer is in a very light and relaxed mood. He is totally removed from the situation around him and absolutely engrossed with the scenes on the television. During this time if he works out some pull-ups then it would be very useful for him. Consequently, he would be attaining dual benefit of entertainment and exercise ...
Pregnant women often take rest at home. For passing the time they are glued to the television. It would be very beneficial that these women perform some exercises. These would be helpful for them for a myriad of reasons. Some of exercises, which can be performed while watching television, are listed below.