In thermodynamics, the exergy of a system is the maximum useful work possible during a process that brings the system into equilibrium with a heat reservoir, reaching maximum entropy.

The exclusive economic zone (up to 200 nautical miles off the shoreline) is not part of the State’s territory but is subject to the coastal State’s exclusive jurisdiction and control for selected purposes, one of which is the production of energy from winds.

In particle physics, an event refers to the results just after a fundamental interaction took place between subatomic particles, occurring in a very short time span, at a well-localized region of space.

A heat exchanger in which cold, low-pressure (liquid) refrigerant is vaporized to absorb heat from the warmer surrounding air, earth, or water.

An evaporative cooler (also evaporative air conditioner, swamp cooler, swamp box, desert cooler and wet air cooler) is a device that cools air through the evaporation of water.

Evaporation is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase.

A thermostat is a regulating device which senses the temperature of a physical system and performs actions so that the system's temperature is maintained near a desired setpoint.

Thermosiphon is a method of passive heat exchange, based on natural convection, which circulates a fluid without the necessity of a mechanical pump.

A thermosetting polymer, often called a thermoset, is a polymer that is obtained from irreversibly hardening by curing from a soft solid or viscous liquid prepolymer (resin).

A thermoplastic-sheathed cable (TPS) consists of a toughened outer sheath of polyvinyl chloride (PVC) thermoplastic, covering one or more individual annealed copper conductors, themselves insulated with PVC.

A thermopile is an electronic device that converts thermal energy into electrical energy.

Thermophotovoltaic (TPV) energy conversion is a direct conversion process from heat to electricity via photons.

Thermonuclear fusion is the process of atoms combining or “fusing” together with huge amounts of heat.

Temperature measurement describes the process of measuring a current local temperature for immediate or later evaluation.

A thermometer is a device that measures temperature or a temperature gradient (the degree of hotness or coldness of an object).

Thermoelectric materials show the thermoelectric effect in a strong or convenient form.

A thermoelectric generator, also called a Seebeck generator, is a solid state device that converts heat flux (temperature differences) directly into electrical energy through a phenomenon called the Seebeck effect (a form of thermoelectric effect).

Thermodynamics is a branch of physics that deals with heat, work, and temperature, and their relation to energy, radiation, and physical properties of matter.

A thermodynamic system is a body of matter and/or radiation, confined in space by walls, with defined permeabilities, which separate it from its surroundings.

A thermodynamic operation is an externally imposed manipulation that affects a thermodynamic system.