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HTR3C refers to the serotonin receptor 3C, which is a subtype of the 5-HT3 receptor family. These receptors are ligand-gated ion channels that are activated by the neurotransmitter serotonin (5-HT). The 5-HT3 receptors are primarily involved in the central and peripheral nervous systems, playing crucial roles in processes such as mood regulation, anxiety, nausea, and vomiting.

Algebraic operations refer to mathematical processes that manipulate algebraic expressions and equations using rules of algebra. The primary algebraic operations include: 1. **Addition**: Combining two or more algebraic expressions. For example, \(a + b\) or \(2x + 3x = 5x\). 2. **Subtraction**: Removing one algebraic expression from another.

The Algebraic Reconstruction Technique (ART) is an iterative method used in computational imaging, particularly in the field of computed tomography (CT) and image reconstruction. It is employed to reconstruct images from projections, which are typically obtained through various means, such as X-ray scans. ### Key Concepts of ART: 1. **Projection Data**: In any imaging system, a series of measurements or projections are collected from different angles.

Jakks Pacific, Inc. is a global toy company known for designing, manufacturing, and marketing a wide range of toys, games, and consumer products. Founded in 1995 and headquartered in Malibu, California, the company has produced products across various categories, including action figures, dolls, role-play items, electronic toys, and outdoor toys. They often create toys based on popular licensed properties, including characters from movies, television shows, video games, and other popular media.

Overseas experience generally refers to time spent living, working, studying, or traveling in a foreign country. This experience can encompass a variety of activities, such as: 1. **Work Abroad**: Engaging in a professional job in another country, which can enhance career skills, provide unique work experiences, and broaden professional networks. 2. **Study Abroad**: Participating in educational programs or internships in foreign institutions.

An **algebraic integer** is a special type of number in algebraic number theory. It is defined as a complex number that is a root of a monic polynomial (a polynomial whose leading coefficient is 1) with integer coefficients.

Algebraic numbers are a subset of complex numbers that are roots of non-zero polynomial equations with rational coefficients. In other words, a complex number \( \alpha \) is considered algebraic if there exists a polynomial \( P(x) \) with \( P(x) \in \mathbb{Q}[x] \) (the set of all polynomials with rational coefficients) such that \( P(\alpha) = 0 \).

Chris G. Van de Walle is an American mathematician and educator known for his contributions to the field of mathematics education, particularly in the areas of teaching and learning mathematics in K-12 settings. He has co-authored several influential textbooks and resources aimed at improving mathematics instruction, such as "Elementary and Middle School Mathematics: Teaching Developmentally," which emphasizes a deep understanding of mathematical concepts and effective instructional strategies for teachers.

Force field technology, often associated with science fiction, refers to a theoretical protective barrier or shield that can exert a force to prevent physical objects from passing through it. This concept is popular in various media, including films, video games, and literature, where it is used to depict advanced protective systems that can deflect or absorb incoming attacks, such as energy beams, projectiles, or other forms of damage.

Algorithm aversion refers to the phenomenon where individuals exhibit a preference for human decision-makers over automated systems or algorithms, even when the latter may demonstrate superior accuracy and consistency. This aversion can emerge in various contexts, such as healthcare, finance, and job recruitment, where algorithms are used to make predictions or decisions.

Leonard Reiffel is an American physicist and engineer known for his significant contributions to various fields, including plasma physics and computer graphics. He has collaborated on numerous projects related to NASA and has worked on research pertaining to the interactions of electromagnetic fields and charged particles. Reiffel is also recognized for his work in promoting science and technology education and has authored several publications on physics-related topics.

Lester Fuess Eastman is an American physicist known for his contributions to the fields of optics and photonics. He has done significant research in areas such as laser technology and the development of optical materials. Eastman has also been involved in academia and has held positions at various institutions, including the University of Vermont, where he has contributed to both teaching and research.

Mix networks are a technology used primarily to enhance privacy and anonymity in communication networks. They serve to obscure the identity of senders and recipients by mixing multiple messages together in such a way that it becomes difficult to trace any individual message back to its source. ### Key Features of Mix Networks: 1. **Anonymization**: Mix networks ensure that the sender's identity is concealed from the recipient and vice versa. This is achieved by mixing messages from multiple users.

Tomy is a Japanese company that specializes in the design, manufacturing, and marketing of toys, games, and children's products. Founded in 1924, Tomy has a long history in the toy industry and is known for producing a wide range of popular toys, including action figures, playsets, and educational toys. The company often collaborates with popular franchises and licenses, producing toys related to popular characters from anime, video games, and other media.

The alkali-silica reaction (ASR) is a chemical reaction that occurs in concrete when alkalis (sodium and potassium) from cement or aggregate react with certain types of silica found in some aggregates. This reaction can lead to the formation of a gel-like substance that absorbs water and expands, causing internal pressure within the concrete. **Key Points about ASR:** 1.

Algorithmic radicalization refers to the process by which algorithms—typically used by social media platforms and online content recommendation systems—promote or amplify extremist or radical content. This phenomenon occurs when algorithms prioritize engagement metrics, such as likes, shares, and views, over the quality or safety of the content being promoted.

In theoretical physics, particularly in the context of gauge theories and string theory, the term "bifundamental representation" refers to a specific type of representation of a gauge group that is associated with two distinct gauge groups simultaneously. For example, consider two gauge groups \( G_1 \) and \( G_2 \). A field (or representation) that transforms under both groups simultaneously is said to be in the bifundamental representation.

Alice Burks is a notable figure in the history of computer science, particularly recognized for her contributions to the development of early computing concepts and technologies. She was a key member of the team that worked on the ENIAC (Electronic Numerical Integrator and Computer), one of the first general-purpose digital computers, during the 1940s.

An **elementary amenable group** is a type of group in the field of group theory, specifically within the area of descriptive set theory and ergodic theory. Groups are classified as elementary amenable if they can be constructed from finite groups through a combination of certain operations.

Al-Khwarizmi was a Persian mathematician, astronomer, and geographer who lived during the 9th century, particularly in Baghdad, which was part of the Islamic Golden Age. He is often referred to as the "father of algebra," a term that stems from the title of his most famous work, "Al-Kitab al-Mukhtasar fi Hisab al-Jabr wal-Muqabala" (The Compendious Book on Calculation by Completion and Balancing).