Re: [CAD_CAM_EDM_DRO] re:re: flat glass

dave engvall wrote:

> To demonstrate how easily glass deflects bounce a laser beam off the
> surface of a glass plate and then load the glass with your
> finger. Doesn't take much pressure to show deflection.

Don't even have to touch it. Look at it and talk. That'll do it.
At least one of the electronics hobby mags has published plans for laser
listening devices.

Jon