There is a company somewhere that uses an israli designed process to sonicly and/or pressure-vibrate un-weldable materials together such as mild steel to aluminum. I have a sample sitting on my desk. Does anyone know if anyone is selling the equipment? What will it weld? Can you buy...
Is there a spectrum of light, light through a filter, light source, etc. that looks brighter to the human eye when seen through a protective tinted screen such as an auto-darkening welding helmet? High intensity white lights at a work area have a tendency to activate the auto-darkening feature...