Blue Ray DVD

An innovative new disc structure using blue laser technology, supports all format standards. Usually laser beams wavelength near to red spectrum so it feels visually red colour. But the latest laser beam invented the shorter wavelength laser and its spectrum near to blue, so it visually feels blue laser beam. Blue laser have less wavelength than red type so by using blue beam we can write three times data compare to red type. DVD-R: - ‘R’, Represents one time recording. DVD-RW/-RE: - ‘RW’ or ‘RE’ represents re-write able


At home Encyclopaedia Britannica proudly displayed on a bookshelf at the entrance, clearly signalling to visitors how knowledgeable we are. Of course Google and Wikipedia have arrived to make the idea of a comprehensive hard copy reference practically obsolete. There is practically nothing that you cannot find on-line today. And instead of being updated once a year, online sources are updated hundreds of times daily.