art of shaving cream
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art of shaving cream

We all remember traditional animation, that was carried out with hand drawn art. A group of animators illustrated and colored the photos on celluloid. The celluloid was transparent sheets, the location where the hand drawings were transferred. Each of these "cells", as they were called, were then photographed individually using a super 8 or Oxford camera. Whew ! Lots of work? Well eventually, technology has allowed animators to make use of CGI or Computer Generated Imagery to change the "painful" frustrating work of the past. A radio signal is usually very weak and should not travel long distances on its own. A method to handle this challenge is to use a strategy called Amplitude Modulation or AM. The technique imposes an additional signal on the already existing carrier wave that transmits the info. The amplitude in the second signal varies (increases or decreases) correspondingly on the amplitude in the first wave. These variations in amplitude or strength are employed through the receiver in order to reproduce audio and visual information (different sounds and images).