Background The idea of using parabolic reflectors for radio antennas was taken from optics, where the power of a parabolic mirror to focus light into a beam has been known between the 8th century BC and 6th century AD. The designs of some specific types of parabolic antenna, such as the Cassegrain and Gregorian, come …
Typically, a zero-client product is a small box that serves to connect a keyboard, mouse, monitor and Ethernet connection to a remote server. The server, which hosts the client’s operating system and software applications, can be accessed wirelessly or with a cable. Basically, they are bare-bones computers that rely on a server to handle many …
Brief History A master clock is a precision clock that provides timing signals to synchronize slave clocks as part of a clock network. Networks of electric clocks connected by wires to a precision master pendulum clock began to be used in institutions like factories, offices, and schools around 1900. Today, many radio clocks are synchronized …
Antarctica has served as a scientific preserve since the Antarctica Treaty was signed in Washington in 1959, with Turkey as a party. The continent is considered the coldest on earth with the lowest temperature recorded in 1983 at minus 89 degrees Celsius (minus 128 Fahrenheit). In the summer, temperatures rise to minus 15 degrees Celsius …
The Challenge of Delivering Satellite Communications to the Antarctic Read More »
