On 9/1/06, Terry Blanton <[EMAIL PROTECTED]> wrote:
On 9/1/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> - Communication - Crystals have the ability to transfer energy, to retain
> it, to maintain its intensity, to focus and transmit it over great
> distance to similar receivers as are equal or comparable to the
> transmitter.
And are often used in heterodyne mixers to extract information from
electromagnetic radiation.
Terry

