A Bluray disc stores five times more data than a DVD. Therefore, a DVD will not have the capacity to store the contents of a Bluray disc.
No
I don't think you'll find a powerful enough magnet; the DVD-R is an optical recording medium and is unaffected by magnetism.
Bluray
yes, but you wont get high definition quality
ps3 games are bluray disc
A VCR (Video Cassette Recorder) uses electromagnets in the record, playback, and erase heads. An erase head can also have a permanent magnet in it.
No
A blu ray disc is a storage medium, not an input/output device.
No. All current 3D disc content is HD and so use Bluray discs. You have to have a 3D Bluray player.
It means that your disc has a bad error so it cannot read and write files. if your error is on the dvd-rw, you can erase it. if your error is on the dvd-r then you cannot erase it and you will have to bin the disc.
Bluray is the disc format developed by Sony for HD video content. It is not a television format and only refers to the storage medium. All Bluray disc players need a display and it may be plasma, LDC or LED based. It is therefore impossible to compare Bluray to types of TV.