You might can copy it to a blank DVD if not then you will need to buy a new one.
Yes, recovery of data in a scratched DVD is possible. You should give your DVD to a reputed software company, like Stellar data recovery. They have softwares which will recover all your files/data.
No DVD ripper will erase data from a DVD.
One can find more information about recent DVD releases online by checking with the company DVD Today. They have a lot of information on DVD releases.
The following are some ways on how a DVD and player work; it uses two lasers for reading and writing, uses the data layer to record the data or information, and DVD player shoots a weaker laser at the data plate to have it start working and playing.
A DVD stores significantly more data than a CD can.
Dvd is better than CD because the dvd can store more data than the CD
Someone that is new to DVD technology can find more information about it from Tech News Daily, DVD and Beyond, Pioneer Electronics, EN Gadget and Geeks Computer Help.
You can find out more information on the dvd player 300 on Amazon at http://www.amazon.com/CyberHome-CH-DVD-300S-Progressive-Scan-Player/dp/B0000A0AJH
if your tacking backup every day then it is possible but one or 2 days data will be lossYou can use Nice to Recover Data for Mac software to recover lost or deleted data.
One can find information on how to copy a DVD on various websites online. These websites include: Fed Ex, Macworld, Microsoft Answers, Wired, and Wikihow.
In short, Data DVD only can be played in computer, and DVD can be played on both DVD play and computer.