On 2005.03.01 07:25, Watsky, Lance wrote:
> I was hoping that someone can tell me if the following statement is true or incorrect:
> A colleague was telling me that you can tell the difference between an audiotape that was recorded on an acetate tape, versus one that was created on a polyester base, by holding the tape up to a light source. The colleague went on to say that light will pass thru the acetate tape, whereas it will not pass thru polyester tape.
They're right. You can also tell the difference by pulling on it until it
breaks; the acetate snaps off cleanly while the polyester stretches first.