Antenna is an electronic device. It is an arrangement of aerial electronic conductors. These are designed to transmit or receive radio waves or electromagnetic waves. Heinrich Hertz discovered an antenna in 1886. Basically the antennas convert radio frequency electric current into an electromagnetic wave. Antennas have a wide range of usage. They a...
Dipole antenna is nothing but an antenna with two poles. It is the simplest type of antenna. A dipole antenna is an aerial half a wavelength long. It is an electrical device that is used to send or receive radio or television signals. It consists of two rods connected to a transmission line at the center. It has maximum radiations at right...
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...
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...
Tai chi is one of the many activities that can be done while watching TV. In Mandarin, Tai Chi or Tai Chi Chuan refers to “supreme fighting”. It is mainly a form of martial arts originated in China around the 16th century. During the 1970s, it was introduced in the United States, and has been growing in popularity ever since.
Exercise makes the body stronger, fitter and more flexible. It protects the heart and bones, keeps the weight at an ideal level, helps reduce stress and makes feel good. It also reduces the risk of a variety of illnesses including diabetes, heart disease and stroke. Experts recommend that everybody exercise for at least 30 minutes, five days of the...
In the busy life the human being hardly gets time for entertainment. Watching television is a mode of entertainment. Due to busy schedule people don’t get time for exercising also which is necessary for good health. Skipping is a good exercise to remain healthy. Regular skipping will burn the calories and the person will not put on extra weight and...
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 shoulder exercises. By this method, he can achieve dual gains of entertainment and body fitness simultaneously.
Push ups also known as press ups is one of the most common form of free hand exercises. It is basically a strength training exercise that is performed in a prone position, where the performer while lying in the horizontal and face down, raising and lowering the body using the arms. Push ups are very effective in developing the pectoral muscles and ...