What is 8.5gb dual layer dvd?

  red dragon 19:28 04 Jun 04

I have seen dual layer dvd rewriters for sale.
What is dual layer?
They also mention 8.5gb.
Does that mean you can get 8.5gb on a single sided dvd media? If so what type of media is it?

Red Dragon

  Fruit Bat 19:42 04 Jun 04
  red dragon 19:52 04 Jun 04

Can anyone recommend a DVDRW dual layer that will give me 8.5gb?

  woodchip 20:00 04 Jun 04

Can you get one yet. they record at different depths on the DVD from same side

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