Portal 2 is a first-person puzzle-platform video game developed by Valve Corporation and released in April 2011. It is a sequel to the 2007 game Portal, which was part of the game bundle "The Orange Box." In Portal 2, players continue the story of Chell, a test subject who navigates through a series of puzzles using a "portal gun.

Electromagnetism journals are scholarly publications that focus on research related to the field of electromagnetism, which is a branch of physics that deals with the study of electric and magnetic fields and their interactions. These journals publish original research articles, review papers, theoretical developments, experimental studies, and applications related to electromagnetism.

Electronics journals are academic and professional publications that focus on research, developments, and innovations in the field of electronics. These journals typically include peer-reviewed articles, research papers, reviews, and technical notes that cover a wide range of topics related to electronics, such as: 1. **Circuit Design**: Articles on the design and analysis of electronic circuits. 2. **Semiconductor Devices**: Research on transistors, diodes, and other semiconductor technologies.

"Chemical Physics" is a scientific journal that publishes research articles and reviews in the field of chemical physics. It covers a broad range of topics at the intersection of chemistry and physics, including theoretical and experimental investigations. Areas of interest typically include molecular dynamics, spectroscopy, quantum chemistry, and materials science, among others. The journal aims to provide a platform for the dissemination of innovative research and advances in the understanding of chemical processes at a fundamental level.

"Chinese Physics" can refer to a few different concepts depending on the context: 1. **Chinese Physics Journal**: This is a series of academic journals that publish research papers in various fields of physics, including condensed matter physics, particle physics, and more. The journals are known for showcasing research conducted by Chinese physicists and also contributions from the international community.

Chinese Physics Letters (CPL) is a peer-reviewed scientific journal that publishes research articles in various fields of physics. It is one of the prominent journals in the area of physical sciences, focusing on theoretical, experimental, and applied physics. The journal covers a wide range of topics, including but not limited to condensed matter physics, quantum mechanics, nuclear physics, particle physics, and optical physics. CPL serves as a platform for researchers to disseminate their findings to the global scientific community.

The Energy Citations Database (ECD) is a resource created by the U.S. Department of Energy (DOE) primarily to support research in energy-related topics. It provides access to a comprehensive collection of references, citations, and documents related to energy research, including scientific articles, conference papers, government reports, and other literature pertinent to energy production, consumption, and technology.

**Fluctuation and Noise Letters (FNL)** is a scientific journal that focuses on the study of fluctuations and noise in various fields of physics, biology, and engineering. The journal typically publishes research articles, reviews, and letters that discuss theoretical and experimental work related to noise and fluctuations in systems, which can include topics such as statistical mechanics, condensed matter physics, circuit theory, biological systems, and more.

"Physik Journal" is a scientific publication that focuses on physics and related fields. It serves as a platform for researchers and professionals to share their findings, insights, and developments in various areas of physics. The journal typically includes articles, reviews, and commentary covering a wide range of topics, from theoretical physics to experimental studies. The publication is aimed at a diverse audience, including physicists, educators, and students, and it seeks to promote the dissemination of knowledge within the physics community.

The Golden Horn is a natural harbor located in Istanbul, Turkey, which has significant historical and geographical importance. The name "Golden Horn" is believed to have originated from the shape of the bay, which resembles a horn, as well as its historical role as a center of trade and commerce, symbolizing wealth and prosperity. The Golden Horn separates the European and Asian sides of Istanbul and connects the Bosphorus Strait with the Sea of Marmara.

"The Invisible Boy" is a 2014 Italian film directed by Federico Zampaglione. The film is a blend of fantasy, drama, and supernatural elements, revolving around a teenage boy named Michele who discovers he has the ability to become invisible. The story explores themes of adolescence, isolation, and the struggles of growing up. Michele grapples with the challenges of fitting in at school and dealing with the complexities of relationships, particularly with his peers and crush.

The Keating Model, often referred to in educational contexts, is associated with the work of Dr. John Keating, a fictional character from the movie "Dead Poets Society" portrayed by Robin Williams. This character embodies a teaching philosophy that emphasizes the importance of individual thought, creativity, and the pursuit of passion in education.

Linkage isomerism is a type of isomerism found in coordination compounds. It arises when a ligand can coordinate to a metal center in more than one way, leading to different structural arrangements. In linkage isomerism, the position of the binding site of a ligand changes. For example, some ligands contain multiple donor atoms, where only one of those atoms binds to the metal ion at a time.

A molecular orbital (MO) diagram is a graphical representation of the molecular orbitals in a molecule. It is used to visualize how atomic orbitals combine to form molecular orbitals when atoms come together to form molecules. The key aspects of molecular orbital diagrams include: 1. **Atomic Orbitals**: The starting point for constructing an MO diagram involves identifying the atomic orbitals of the individual atoms that will combine. Common atomic orbitals include s, p, d, and f orbitals.

Alain Lascoux is a French mathematician known for his contributions to combinatorics, algebraic geometry, and representation theory. He is particularly recognized for his work on Young tableaux and Schubert calculus, as well as his developments in the theory of symmetric functions. One of his notable contributions is the introduction of Lascoux–Schützenberger implicit functions and the study of polynomial formulas related to combinatorial structures.