
- Image via Wikipedia
What is blu-ray?
The company name “Blu-Ray Disc” came from the blue laser that is used
to read the Blu-ray disc . The blue laser is wavelength is about
double the wavelength of a normal DVD which always it to hold up to
50GB of space on one little flat disc. Blu-ray players started being
shipped around June 2006 it was not a big hit at first. No one wanted
to spend that much money on a DVD player. But ones people realized how
much better it is then a normal DVD player sales started to
skyrocket.

- Image via Wikipedia
what happened to HD DVD?
well, in early 2006 the HD-DVD player came out the then came the
Blu-ray, so HD DVD had a advantage. At first the Blu-ray wasn’t
looking good it was expensive and buggy and not much of a selection.
That all changed when the PlayStation 3 came out. With in a couple of
months the sales of the Blu-ray flu past HD DVD, HD DVD was forced to
drop out.