Diffusion of responsibility occurs when no one in a large group takes action or responsibility for an event. Examples include the bystander effect and groupthink. It only applies to very large groups, and can be prevented if a single member takes charge or if the situation affects group members personally. Diffusion of responsibility is a […]
Diffusion is the movement of a substance or quality from an area of high concentration to an area of low concentration. It plays a key role in physics, chemistry, and biology, including the transport of nutrients in cells. Molecular diffusion occurs due to the random motion of molecules, and it can be observed in the […]
Diffusion theory explains how innovations spread across cultures. It identifies five stages of adoption: knowledge, persuasion, decision, implementation, and confirmation. Factors that influence adoption include ease of use, observable results, and compatibility with moral values. Adoption rates depend on factors such as community influence and reviews. Diffusion theory, also known as diffusion theory of innovations, […]
Diffusion pumps use high-velocity steam to transport gases, creating high vacuum values. They have no moving parts, are easy to maintain, and use silicone oil or mercury as vapor materials. A diffusion pump is a device designed to pump gases with a high-velocity jet of steam as a means of transport. This process occurs as […]
Diffusion barriers prevent molecules from spreading and contaminating products. They are usually thin coatings made of metals with non-reactive and adhesive properties. They are commonly used in electronics manufacturing to preserve copper wiring from silica insulation. New alloys and deposition techniques are being investigated for use in new generations of electronics. A diffusion barrier is […]
