How Everything Works
How Everything Works How Everything Works

Question 431

Why can't I record songs directly onto CD's, like I can onto a tape?
To record CD's, you need a much more powerful laser and a blank recordable CD. Both of these items cost lots of money. Reading a CD does not alter the CD but writing it does. You need more laser power and a special CD disk. If you tried to record a normal CD, you would not be able to restructure its aluminum layer. You would not "erase" the old material on it and would not "write" new material onto it.

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