Equilibriums are a unique property of certain systems that enable them to reach and remain in a state of balance. In other words, regardless of what changes occur to the system and its surroundings, the system will stay in equilibrium until a further external interference occurs. This makes equilibriums incredibly useful across a wide range of contexts, from physics to economics. Equilibrium is an important concept in thermodynamics, allowing just one of many possible states that a substance, such as a gas, can take. Each individual substance has its own properties that determine the possible equilibriums. Because the substance is in a balanced state, no energy or matter is added or removed. This means that the energy present in the Equilibrium state changes at a comparatively slower rate. Equilibriums are also used to describe markets and other economic systems. For example, an equilibrium in a market with perfectly informed consumers and perfectly informed suppliers will drive the price of a good or service down, as sellers try to undercut each other to make the most profit. This also leads to efficient allocation of resources as the market is driven into equilibrium. When a disruption occurs, the equilibrium is upset and new forces start at work to reach a more stable state. In conclusion, equilibriums are incredibly useful and applicable to a wide range of contexts. They allow for a state of balance in which a system stays relatively unchanged until disrupted by external forces. Equilibriums are helpful for understanding thermodynamics, markets, and other economic systems.