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Geothermal Energy
Geothermal energy is thermal energy generated and stored in the Earth. Thermal energy is the energy that determines the temperature of matter. The geothermal energy of the Earth's crust originates from the original formation of the planet and from radioactive decay of materials (in currently uncertain but possibly roughly equal proportions). The geothermal gradient, which is the difference in temperature between the core of the planet and its surface, drives a continuous conduction of thermal energy in the form of heat from the core to the surface

Piero Ginori Conti
Piero Ginori Conti, Prince of Trevignano, (Florence, 3 June 1865 - Florence, 3 December 1939) was a businessman and Italian politician. Son of Gino Ginori Conti and Pauline Fabbri, an old aristocratic family of Florence, Piero Ginori Conti married in 1894 Adriana de Larderel (1872–1925), daughter of Count Florestan - nephew of François - and his cousin Marcella de Larderel and heir to one of the most significant assets in Tuscany.

A hypocaust (Latin hypocaustum) is a system of central heating in a building that produces and circulates hot air below the floor of a room, and may also warm the walls with a series of pipes through which the hot air passes. This air can warm the upper floors as well. The word derives from the Ancient Greek hypo meaning "under" and caust-, meaning "burnt" (as in caustic)

Electricity Generation
Electricity generation is the process of generating electric power from sources of primary energy. For electric utilities in the electric power industry, it is the first stage in the delivery of electricity to end users, the other stages being transmission, distribution, energy storage and recovery, using pumped-storage methods. A characteristic of electricity is that it is not a primary energy freely present in nature in remarkable amounts and it must be produced. Production is carried out in power plants. Electricity is most often generated at a power station by electromechanical generators, primarily driven by heat engines fueled by combustion or nuclear fission but also by other means such as the kinetic energy of flowing water and wind

The watt (symbol: W) is a unit of power. In the International System of Units (SI) it is defined as a derived unit of 1 joule per second, and is used to quantify the rate of energy transfer

Tectonic Plate Boundaries
Plate tectonics (from the Late Latin tectonicus, from the Greek: τεκτονικός "pertaining to building") is a scientific theory describing the large-scale motion of seven large plates and the movements of a larger number of smaller plates of the Earth's lithosphere, since tectonic processes began on Earth between 3 and 3.5 billion years ago. The model builds on the concept of continental drift, an idea developed during the first decades of the 20th century. The geoscientific community accepted plate-tectonic theory after seafloor spreading was validated in the late 1950s and early 1960s. The lithosphere, which is the rigid outermost shell of a planet (the crust and upper mantle), is broken into tectonic plates. The Earth's lithosphere is composed of seven or eight major plates (depending on how they are defined) and many minor plates

Hot Spring
A hot spring is a spring produced by the emergence of geothermally heated groundwater that rises from the Earth's crust

Aquae Sulis
Aquae Sulis was a small town in the Roman province of Britannia

Bath, Somerset
Bath is the largest city in the ceremonial county of Somerset, England, known for its Roman-built baths. In 2011, the population was 88,859. Bath is in the valley of the River Avon, 97 miles (156 km) west of London and 11 miles (18 km) south-east of Bristol. The city became a World Heritage Site in 1987. The city became a spa with the Latin name Aquae Sulis ("the waters of Sulis") c.60  AD  when the Romans built baths and a temple in the valley of the River Avon, although hot springs were known even before then. Bath Abbey was founded in the 7th century and became a religious centre; the building was rebuilt in the 12th and 16th centuries. In the 17th century, claims were made for the curative properties of water from the springs, and Bath became popular as a spa town in the Georgian era

In ancient Rome, thermae (from Greek θερμός thermos, "hot") and balneae (from Greek βαλανεῖον balaneion) were facilities for bathing. Thermae usually refers to the large imperial bath complexes, while balneae were smaller-scale facilities, public or private, that existed in great numbers throughout Rome. Most Roman cities had at least one, if not many, such buildings, which were centres not only for bathing, but socializing. Roman bath-houses were also provided for private villas, town houses, and forts. They were supplied with water from an adjacent river or stream, or more normally, by an aqueduct. The water would be heated by a log fire before being channelled into the hot bathing rooms

1---> French Land Register data, which excludes lakes, ponds, glaciers > 1 km2---> (0.386 sq mi or 247 acres) and river estuaries. 2---> Population without double counting: residents of multiple communes (e.g., students and military personnel) only counted once.
Chaudes-Aigues (French: [ʃodzɛɡ]; Occitan: Chaudas Aigas) is a commune in the Cantal department in south-central France

The Paleolithic or Palaeolithic /ˌpæləˈlɪθɪk/ is a period in human prehistory distinguished by the original development of stone tools that covers c. 95% of human technological prehistory. It extends from the earliest known use of stone tools by hominins c. 3.3 million years ago, to the end of the Pleistocene c. 11,650 cal BP. The Paleolithic is followed in Europe by the Mesolithic, although the date of the transition varies geographically by several thousand years. During the Paleolithic, hominins grouped together in small societies such as bands, and subsisted by gathering plants and fishing, hunting or scavenging wild animals. The Paleolithic is characterized by the use of knapped stone tools, although at the time humans also used wood and bone tools

Boric Acid
Boric acid, also called hydrogen borate, boracic acid, orthoboric acid and acidum boricum, is a weak, monobasic Lewis acid of boron, which is often used as an antiseptic, insecticide, flame retardant, neutron absorber, or precursor to other chemical compounds. It has the chemical formula H3BO3 (sometimes written B(OH)3), and exists in the form of colorless crystals or a white powder that dissolves in water

Volcanic Mud
A mud volcano or mud dome is a landform created by the eruption of mud or slurries, water and gases. There are several geological processes that may cause the formation of mud volcanoes. Mud volcanoes are not true igneous volcanoes as they do not produce lava and are not necessarily driven by magmatic activity. The Earth continuously exudes a mud-like substance, which may sometimes be referred to as a "mud volcano". Mud volcanoes may range in size from merely 1 or 2 meters high and 1 or 2 meters wide, to 700 meters high and 10 kilometers wide. Smaller mud exudations are sometimes referred to as mud-pots. The largest (man made) mud volcano is "Lusi" in Java, Indonesia, which is 10 kilometres (6 mi) in diameter. The mud produced by mud volcanoes is mostly formed as hot water, which has been heated deep below the earth's surface, begins to mix and blend with subterranean mineral deposits, thus creating the mud slurry exudate