Bolivia uses the metric system as its official system of measurement.

The gray (symbol: Gy) is the SI unit of absorbed dose of ionizing radiation. It quantifies the amount of radiation energy absorbed per unit mass of tissue. Specifically, one gray is defined as the absorption of one joule of radiation energy by one kilogram of matter. The gray is commonly used in the context of radiation therapy, radiology, and nuclear medicine to assess the amount of radiation exposure that tissues receive.

In Thelema, a spiritual philosophy and religious system developed by Aleister Crowley in the early 20th century, "Aeon" refers to a specific era or phase in the evolution of human consciousness and spiritual development. Crowley's teachings divide human history into different Aeons, each characterized by its unique ethical, spiritual, and cultural paradigms.

A cubic yard is a unit of measurement used to quantify volume in three-dimensional space. It represents the volume of a cube that measures one yard (3 feet) on each side. To visualize it, think of a cube that is 1 yard long, 1 yard wide, and 1 yard high.

Eclipse season refers to specific periods during the year when eclipses of the Sun and Moon can occur. These seasons happen approximately twice a year, when the Sun, Earth, and Moon align in such a way that enables the occurrence of either solar or lunar eclipses. For a solar eclipse to take place, the Moon must be positioned between the Earth and the Sun, casting a shadow on the Earth.

NGC 2174 is a bright emission nebula located in the constellation Orion. It is also known as the Monkey Head Nebula because its appearance resembles a monkey's head when viewed through telescopes. NGC 2174 is approximately 6,400 light-years away from Earth and has an apparent magnitude of around 9.6, making it faintly visible with amateur telescopes under good conditions.

Cabañuelas is a traditional weather forecasting method used mainly in some Spanish-speaking regions, particularly in Spain and Latin America. It involves observing weather patterns and natural phenomena during the first few days of January to predict the weather for the entire year. The practice is rooted in folklore and agricultural traditions, where seasonal weather patterns are crucial for farming and planting activities.

A "minim" is a unit of measurement that has been traditionally used in the fields of medicine and pharmacology. It is equal to one drop of liquid and is often used when measuring small volumes of liquid medications. In terms of volume, a minim is approximately equal to 0.06 milliliters (mL) or about 0.0019 fluid ounces. The term "minim" originated from the Latin word "minima," which means "smallest.

Hydrosilylation is a chemical reaction that involves the addition of a silicon-containing compound, typically an organosilane, to a carbon-carbon double bond (C=C) or a carbon-heteroatom multiple bond. This reaction leads to the formation of silane products and is typically facilitated by catalysts, often transition metal catalysts such as platinum, rhodium, or nickel.

Birkat Hachama, also known as the "Blessing of the Sun," is a Jewish ritual that takes place once every 28 years. It is based on the belief that the sun's position in the sky on the fourth day of creation is replicated during this specific time period. The blessing is recited on the morning of the Wednesday or Thursday of Passover, specifically during the week after the spring equinox.

Herbert Feigl (1902–1988) was an Austrian-born philosopher of science and a prominent figure in logical positivism and the philosophy of mind. He was associated with the Vienna Circle, a group of philosophers and scientists in the early 20th century that advocated for a scientific approach to philosophical problems and the verification principle, which holds that a statement is meaningful only if it can be empirically verified.

Phronesis is a concept originating from ancient Greek philosophy, often translated as "practical wisdom" or "practical judgment." Unlike other types of knowledge, such as theoretical knowledge (episteme) or technical skill (techne), phronesis refers to the ability to make sound judgments about how to act in particular situations, especially in the context of moral or ethical decisions. Aristotle extensively discussed phronesis in his works, particularly in the "Nicomachean Ethics.

Majority rule is a governance principle or decision-making process whereby the option or choice that receives more than half (more than 50%) of the votes or support is selected as the outcome. This concept is often used in democratic systems, elections, and various collective decision-making scenarios. The idea is that the preferences of the majority of voters or group members should determine the decisions or policies that are implemented.

Florian Neukart is a researcher and expert in the fields of artificial intelligence, quantum computing, and optimization. He has contributed to the development of algorithms and methodologies that leverage quantum mechanics for solving complex problems. Neukart's work often intersects with areas such as machine learning, hybrid quantum-classical systems, and the application of quantum computing techniques to practical issues.

The sabin is a unit of measurement for luminous efficacy, specifically used to quantify the amount of light that is perceived by the human eye. It is named after the American acoustician, physicist, and inventor, Wallace Clement Sabine. One sabin corresponds to one lumen per square meter of surface area that is uniformly illuminated. In practical terms, it is often used in fields related to lighting design, architecture, and engineering to assess and quantify light distribution in a given space.

A square is a unit of area that is commonly used in real estate and property measurement. It represents a square measurement of one unit of length by one unit of length. The most commonly used square measurement is the square foot (sq ft), which is the area of a square with sides that are each one foot long. Similarly, there are square meters, square yards, and other units of measurement.

Michael A. Bender is a notable figure in the field of political science and political behavior, primarily recognized for his work on electoral processes, political parties, and voter behavior.

Spin models are theoretical frameworks used primarily in statistical mechanics and condensed matter physics to study the collective behavior of spins in magnetic systems. The "spin" refers to a fundamental property of particles, such as electrons, which can be thought of as tiny magnetic moments that can point in different directions. Spin models help us understand phase transitions, magnetic ordering, and critical phenomena.

"Hundredweight" is a unit of weight measurement that is used in both the Imperial and U.S. customary systems, but the value of a hundredweight differs between these systems. 1. **Imperial hundredweight (cwt)**: In the Imperial system (used in the UK), a hundredweight is equal to 112 pounds (lbs), or approximately 50.8 kilograms (kg). 2. **U.S. hundredweight (cwt)**: In the U.S.

A solar mass (often denoted as \( M_\odot \)) is a standard unit of mass used in astronomy to measure the mass of stars and other astronomical objects. It is defined as the mass of the Sun, which is approximately \( 1.989 \times 10^{30} \) kilograms (or about \( 333,000 \) times the mass of Earth).