Re: [ARSCLIST] Record cleaning fluid recommendations?

[Jerome Hartke <jhartke@xxxxxxxxxxxx>]

> The question is, when/if a laser turntable is perfected, will not the laser
> beam dislocate a small but finite number of molecules from the disc...and
> will not that effect be cumulative, so that a few billion laser plays might
> have an audible effect?
> Steven C. Barr
> Steven C. Barr

Molecular, or atomic, displacement or modification has a threshold
energy. So long as laser power is below this threshold, no change
occurs. This is why CD-R and DVD-R discs can be played without
modification so long as laser beam power remains below the 1 mW
threshold specified in the standards.

Jerry
Media Sciences, Inc.