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A **member variable** (also known as an instance variable or field) is a variable that is defined within a class and is associated with instances of that class (i.e., objects created from the class). Member variables store the state or attributes of objects. ### Key Characteristics of Member Variables: 1. **Scope**: Member variables are usually scoped to the class they are defined in. Each instance of the class has its own copy of the member variables.

The Kangson enrichment site is a facility located in North Korea that has been associated with the country's efforts to develop nuclear weapons. It is believed to be involved in the production of fissile materials, such as uranium, which can be used in nuclear reactors and potentially in nuclear weapons. The site has drawn international attention and concern due to North Korea's ongoing nuclear weapons program and its implications for regional and global security.

The Korea Mining and Development Trading Corporation (KOMID) is a North Korean state-owned enterprise primarily involved in mining, mineral production, and related trade activities. Established in the 1970s, KOMID functions as a key entity for North Korea's mineral exports, including coal, iron ore, and other resources, which are vital for the country's economy.

The list of North Korean missile tests includes various ballistic missile launches and tests conducted by North Korea over the years. These tests have been a point of international attention and concern due to North Korea's ongoing development of its missile and nuclear programs. Here’s a summary of key missile tests by North Korea from recent years: ### 2021 1. **January 25**: North Korea launched two short-range missiles.

North Korea, officially known as the Democratic People's Republic of Korea (DPRK), is a country in East Asia located on the northern part of the Korean Peninsula. The country is known for its authoritarian regime, led by the Kim family since its establishment in 1948. North Korea's government emphasizes military strength and has pursued a policy of self-reliance, often termed "Juche.

The Punggye-ri Nuclear Test Site is North Korea's primary facility for conducting nuclear tests. Located in the northeastern part of the country, near the village of Punggye-ri in North Hamgyong Province, it has been the site of several significant nuclear detonations by North Korea. The site consists of multiple tunnel complexes, which have been adapted for various types of nuclear tests.

The Ryanggang explosion refers to a significant explosion that occurred in January 2022 in Ryanggang Province, North Korea. Reports indicate that the blast was related to a munitions factory or storage area, although specifics about the explosion were scarce due to North Korea's secretive nature and limited access to information. The incident resulted in casualties, and it was noted for having a considerable impact in terms of safety and security in the region.

The Sohae Satellite Launching Station, also known as the Sohae Satellite Launching Ground, is a space launch facility located on the northwest coast of North Korea, near the town of Cholsan in North Pyongan Province. Established in the early 2010s, it serves as North Korea's primary satellite launch site for its space program. Sohae has been used for various rocket launches, including satellite deployments and tests of North Korean ballistic missile technology.

Tonghae Satellite Launching Ground, also known as the Tonghae Satellite Launching Station, is a space launch facility located in North Korea near the city of Tonghae. It was established in the early 1990s and is primarily used for launching satellites into orbit. The facility has been developed to support North Korea's efforts to advance its space program and missile technology.

United Nations Security Council Resolution 1695 was adopted on July 15, 2006. The resolution was primarily aimed at responding to North Korea's missile tests conducted earlier that month. The Security Council condemned North Korea's actions, expressing concern over the threat these missile launches posed to regional and international security. The resolution called upon North Korea to cease all missile testing and to return to negotiations aimed at denuclearization of the Korean Peninsula.

RELAP5-3D is a software program used for the analysis of systems in nuclear reactor technology and safety. It is a thermal-hydraulic analysis code that models the behavior of fluid systems in response to changes in conditions, such as depressurization, heating, and flow changes.

The IBM 702 was one of IBM's early electronic computers, introduced in the early 1950s. It is considered a significant model in the evolution of computing technology. Here are some key points about the IBM 702: 1. **Model Introduction**: The IBM 702 was introduced in 1953 and was designed primarily for scientific and business applications.

In the context of physics, particularly in the theory of relativity, a four-vector is a mathematical object that extends the concept of vectors as used in three-dimensional space to four-dimensional spacetime. Four-vectors are crucial because they incorporate both spatial and temporal components, allowing for a unified description of relativistic effects.

United Nations Security Council Resolution 1985, adopted on June 31, 2011, recognizes the commitment of the Democratic Republic of the Congo (DRC) to promote democracy and holds an important position in addressing the challenges faced by the country. The resolution calls for the strengthening of national authorities and respect for human rights.

Ford Seattle-ite XXI is a concept car that was introduced by Ford in the early 2000s. It was designed as a futuristic vision of urban transport, specifically aimed at addressing the needs of city commuting. The vehicle showcased innovative features and technologies that were intended to be environmentally friendly and efficient for urban environments. The design of the Ford Seattle-ite XXI emphasized compactness and maneuverability, making it suitable for crowded city streets.

Naval Nuclear Propulsion Information refers to the classified and sensitive information related to the design, operation, and maintenance of nuclear propulsion systems used in naval vessels, particularly submarines and aircraft carriers. These systems use nuclear reactors to provide power and propulsion, enabling vessels to operate for extended periods without needing to refuel, thus enhancing their operational capabilities.

Naval Reactors is a component of the United States Department of Energy (DOE) responsible for the design, development, and oversight of nuclear propulsion systems for the U.S. Navy. Specifically, it focuses on the design and maintenance of the nuclear reactors that power submarines and aircraft carriers. This includes tasks related to research, development, engineering, and the training of personnel who operate and maintain these systems. The program originated in the early 1950s when Admiral Hyman G.

The Inhour equation is a formula used in nuclear engineering, particularly in the context of reactor kinetics and neutron diffusion. It characterizes the relationship between the neutron flux in a nuclear reactor and the reactor's reactivity, typically under steady-state or slightly perturbed conditions.

The Integral Fast Reactor (IFR) is a type of advanced nuclear reactor that was developed in the 1980s and 1990s at the Idaho National Laboratory in the United States. The IFR is notable for several key features: 1. **Fast Neutron Spectrum**: The IFR uses fast neutrons (rather than thermal neutrons, as in conventional reactors) for fission. This allows for more efficient use of fuel, particularly for plutonium and other actinides.

Small modular reactors (SMRs) are a category of nuclear reactors that have a smaller physical footprint compared to traditional large nuclear reactors and can be constructed and deployed in a modular fashion. These designs often aim to enhance safety, reduce costs, and allow for flexible deployment in various locations. Here’s a summary of some notable SMR designs: 1. **NuScale Power Module**: - Develops a light-water reactor design. - Each module has a capacity of about 60 MW.