Project Emily, also known as "Project E," is a private initiative aimed at developing and deploying a global submarine-based internet network. The project seeks to leverage undersea cables and advanced technology to provide high-speed internet access to underserved and remote areas around the world. By utilizing submarines to lay cables, Project Emily intends to create a more sustainable and resilient internet infrastructure. For the most accurate and current information, it's worth checking trusted news sources or the project's official communications.
The Acheson–Lilienthal Report, officially titled the "Report on the International Control of Atomic Energy," was published in 1946 by a United States government advisory committee led by Dean Acheson and David Lilienthal. The report was significant as it addressed the urgent need for the international control of nuclear energy in the wake of World War II and the atomic bombings of Hiroshima and Nagasaki.
The Arms Control and Disarmament Act of 1961 is a significant piece of legislation in the United States aimed at promoting arms control and disarmament efforts, particularly in the context of the Cold War. Enacted on September 26, 1961, the Act established a framework for U.S. policy regarding the reduction and regulation of conventional and nuclear weapons. Key provisions of the Act include: 1. **Establishment of the U.S.
Kellex Corporation was a company known for its work in the field of chemical and engineering services. Founded during World War II, it gained prominence for its involvement in developing and producing materials related to the Manhattan Project, particularly in the separation of isotopes for uranium enrichment. The company underwent various changes over the years, evolving in its focus and services.
Nuclear reactor accidents in the United States refer to incidents that occur at nuclear power plants, involving the uncontrolled release of radioactive materials or failures in reactor safety systems. While the nuclear industry is highly regulated and accidents are relatively rare, there have been significant incidents that have raised concerns about nuclear safety and emergency preparedness. Some of the most notable accidents in the U.S. include: 1. **Three Mile Island (1979)**: This is the most significant accident in U.S. commercial nuclear power history.
The Soviet Nuclear Threat Reduction Act of 1991 was a piece of legislation enacted by the United States Congress aimed at addressing the risks posed by the presence of nuclear weapons and materials in the former Soviet Union following the end of the Cold War. Specifically, it sought to promote nuclear nonproliferation and to reduce the threat of nuclear proliferation and terrorism.
The United States Atomic Energy Commission (AEC) was a government agency established by the Atomic Energy Act of 1946. Its primary purpose was to oversee and regulate the development and use of atomic energy for both civilian and military purposes. The AEC played a crucial role during the early years of the atomic age, managing the country's nuclear weapons program and promoting nuclear energy for civilian use.
The United States Department of Energy (DOE) National Laboratories are a network of research facilities operated by the DOE and its contractors, dedicated to advancing science and technology in various fields including energy, environmental science, nuclear science, and national security. These laboratories play a critical role in the country's research and development efforts by conducting foundational research, developing new technologies, and providing expertise in addressing complex scientific issues.
The Bloch equations are a set of differential equations that describe the dynamics of nuclear magnetization under the influence of external magnetic fields, specifically in the context of nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI). They provide a mathematical framework for understanding how spins of particles like nuclei evolve over time due to applied magnetic fields and interactions.
Kurt Wüthrich is a Swiss chemist known for his pioneering work in the field of nuclear magnetic resonance (NMR) spectroscopy, particularly in the application of NMR to determine the structures of biomolecules such as proteins. He made significant contributions to the development of techniques that allow for the study of these complex molecules in solution, which is vital for understanding biological functions and mechanisms. Wüthrich was awarded the Nobel Prize in Chemistry in 2002, along with teammates John B.
Earth's Field NMR (Nuclear Magnetic Resonance) is a technique that utilizes the Earth's magnetic field to investigate the properties of materials at the atomic level. Unlike traditional NMR, which typically requires strong magnetic fields produced by superconducting magnets, Earth's Field NMR operates under the relatively weak magnetic field strength of the Earth, which is approximately 25 to 65 microteslas, depending on the location.
The uranium market refers to the trading and pricing of uranium, a radioactive element primarily used as fuel in nuclear power reactors and in various other applications such as military, medical, and industrial fields. The market consists of several components, including: 1. **Supply and Demand**: The uranium market is driven by global supply and demand dynamics. Supply comes from mining operations and secondary sources like recycled nuclear fuel.
As of my last knowledge update in October 2021, there isn't a widely recognized term or acronym "Spinlock SRL." However, a "spinlock" is a type of synchronization primitive used in concurrent programming to protect shared resources from being accessed by multiple threads simultaneously. A spinlock allows a thread to repeatedly check a lock variable until it becomes available, hence "spinning" in place until it can acquire the lock.
Spin-lattice relaxation refers to the process by which nuclear spins in a material return to thermal equilibrium with their surrounding lattice after being disturbed, typically by an external magnetic field or radiofrequency pulse. This process is crucial in nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI), as it affects the relaxation times and the overall dynamics of the spin system.
Nuclear Magnetic Resonance (NMR) spectroscopy is a powerful analytical technique used to determine the structure of molecules, including stereoisomers. It relies on the magnetic properties of atomic nuclei, particularly those of hydrogen (^1H) and carbon (^13C), to gather information about the molecular environment of these nuclei. ### Key Concepts of NMR Spectroscopy: 1. **Nuclei and Magnetic Fields**: NMR exploits the magnetic properties of certain nuclei.
Special nuclear material (SNM) refers to materials that are used in the context of nuclear energy and weapons. Specifically, it includes: 1. **Plutonium-239 (Pu-239)**: An isotope of plutonium that is fissile, meaning it can sustain a nuclear chain reaction. 2. **Uranium-233 (U-233)**: A fissile isotope of uranium that is produced from thorium-232 and can also sustain a nuclear fission chain reaction.
Ammonium uranyl carbonate is a chemical compound that contains uranium in its uranyl form (UO2^2+), combined with ammonium (NH4^+) ions and carbonate (CO3^2−) ions. Its general formula can be represented as (NH4)2[UO2(CO3)3]. This compound is of interest primarily in the fields of nuclear chemistry and materials science due to its relationship with uranium and the potential use of uranium-bearing materials.
Plutonium is a radioactive, silvery-gray metal that is part of the actinide series in the periodic table. It has the chemical symbol 'Pu' and atomic number 94. Discovered in 1940 by a team of American researchers, plutonium is notable for its use in nuclear reactors and nuclear weapons due to its fissile properties, which means it can sustain a nuclear reaction.
Plutonium tetrafluoride (PuF₄) is a chemical compound consisting of plutonium and fluorine. In this compound, plutonium is in the +4 oxidation state. It has a tetrahedral geometry and is typically classified as a fluoride due to the presence of fluorine atoms. Plutonium tetrafluoride is of interest primarily in the field of nuclear chemistry and materials science. It can be of significance in the context of nuclear fuel processing and the development of advanced nuclear materials.
Reactor-grade plutonium refers to a specific type of plutonium that is produced as a byproduct in nuclear reactors, particularly in light-water reactors. It typically has a different isotopic composition compared to weapons-grade plutonium, which is primarily used in nuclear weapons.

Pinned article: Introduction to the OurBigBook Project

Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
We have two killer features:
  1. topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculus
    Articles of different users are sorted by upvote within each article page. This feature is a bit like:
    • a Wikipedia where each user can have their own version of each article
    • a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
    This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.
    Figure 1.
    Screenshot of the "Derivative" topic page
    . View it live at: ourbigbook.com/go/topic/derivative
  2. local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:
    This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
    Figure 2.
    You can publish local OurBigBook lightweight markup files to either https://OurBigBook.com or as a static website
    .
    Figure 3.
    Visual Studio Code extension installation
    .
    Figure 4.
    Visual Studio Code extension tree navigation
    .
    Figure 5.
    Web editor
    . You can also edit articles on the Web editor without installing anything locally.
    Video 3.
    Edit locally and publish demo
    . Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension.
    Video 4.
    OurBigBook Visual Studio Code extension editing and navigation demo
    . Source.
  3. https://raw.githubusercontent.com/ourbigbook/ourbigbook-media/master/feature/x/hilbert-space-arrow.png
  4. Infinitely deep tables of contents:
    Figure 6.
    Dynamic article tree with infinitely deep table of contents
    .
    Descendant pages can also show up as toplevel e.g.: ourbigbook.com/cirosantilli/chordate-subclade
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact