There are several materials used to view the stereoscopic 3d...there is the shutter glass which is used to view the flipped page,also head mounted display to view the line alternate method and even sun glass is used.
But the most commontly used is the red and blue specs...in this catergory itself there are many type whereby there are red and blue...red and green...blue and red...without any colours at all and many more.
but the one we are going to see is the red and blue specs.
