The International Institute of Zakharenko Waves (IIZWs) performs investigations in the following research fields: wave propagation, physical acoustics, electromagnetism, and gravitation. As a result, over 200 new waves were discovered that can propagate in piezoelectrics, piezomagnetics, and piezoelectromagnetics. These acoustic waves are apt for many applications in various technical devices: biochemisensors, etc.,because the devices are the most sensitive. There is a tendency to use piezoelectromagnetics (composites) to generate shear-horizontal surface acoustic waves with the noncontact method called EMATs. I created theory when SAW couples with 4 potentials (electric, magnetic, gravitational, cogravitational) for new communication era.