Assertion: cd player's laser | /r/ObjectUse | used for dvd
Facets:
Source sentences:
text: The name "Blu-ray" refers to the blue laser (which is actually a violet laser) used to read the disc, which allows information to be stored at a greater density than is possible with the longer-wavelength red laser used for DVDs.
text: The data format and laser used in DVDs will be the same for the computer players as for the television players.
text: The name "Blu-ray" refers to the blue laser (which is actually a violet laser) used to read the disc, which allows information to be stored at a greater density than is possible with the longer-wavelength red laser used for DVDs.