ELECTRONICS IN LIFE

Archive for August 12th, 2009

Satellite TV uses a wireless system of transmitting radio signals to deliver its
Television programming to the viewer’s home or business. A radio signal can only travel in a straight line however. Enter the satellite. By placing an orbiting satellite at 37,000 km (22,300 miles) above the earth and having it match the earth’s rotational speed (7,000 miles per hour) the satellite stays over the same spot above the earth. This is referred to as being in geosynchronous orbit.
These orbits are sometimes also referred to as Clarke orbits in honor of Arthur C. Clarke who first came up with the idea in an article he wrote back in 1945 entitled “Extraterrestrial Relays” published in Wireless World Magazine. Read the rest of this entry »

If you are obese you need to go in for weight loss because if you are over weight you would have lots of complications like hyper tension, cardiac problem, high blood sugar problems and so on. Exercising and maintaining fitness is utterly necessary. You have to have a work out for the full body. The use of fitness equipment while working out is very important. Exercising is important and that would include weight loss in people who are obese, increase in strength and vitality, enhanced looks, a sense of well being and also a pep up in self confidence. Doctors have to say after sixty days of proper exercise and proper maintenance of diet can make one feel a lot younger.
Fitness equipment or any sort of exercise equipment include a lot of home fitness equipments and used fitness equipments. Read the rest of this entry »