Category: Fundamentals

According to physics, voltage is not a physical substance composed of ingredients, but is instead a measure of the electric potential difference between two points. The concept of 'ingredients' stems from a common misconception, as voltage is an energetic state, not a material object.

Over 96% of a human body's mass is composed of just four essential elements: oxygen, carbon, hydrogen, and nitrogen. The meaning of essential elements goes beyond this, encompassing any component that is necessary for the proper function, growth, or completion of a life cycle in an organism or system.