The four philosophical Elements are what comprise all physical aspects of Creation. They are Fire, Water, Air, and Earth. These Four Elements arise from the Trinity of the three philosophical Principles of Mechano acoustic sensing of physiological processes and body motions via a soft wireless device placed at the suprasternal notch Nature Biomedical Engineering Fundamentals of Vibration Analysis An ultrathin conformable vibration responsive electronic skin for quantitative vocal recognition Nature Communications Vibration