Sir William Crookes invented the cathode ray tube in 1878, but these discoveries took many years to merge into the common ground of television. ... His mechanical system used a scanning disk with small holes to pick up image fragments and imprint them on a light-sensitive selenium tube. A receiver reassembled the picture.
<em>Television is really a three-part invention: the TV camera that turns a picture and sound into a signal; the TV transmitter that sends the signal through the air; and the TV receiver (the TV set in your home) that captures the signal and turns it back into picture and sound. </em>
Sir William Crookes invented the cathode ray tube in 1878, but these discoveries took many years to merge into the common ground of television. His mechanical system used a scanning disk with small holes to pick up image fragments and imprint them on a light-sensitive selenium tube. A receiver reassembled the picture.
<span> C) A series of 4 full size, but individual tweets (with the tweet copy appearing above the first image of the series) D) A collage format, with full size images</span>
