France has a well-established nuclear weapons program that has been in existence since the 1950s. The French government conducted its first successful nuclear test, code-named "Gerboise Bleue," in the Algerian desert on February 13, 1960. This marked France as the fourth country to develop and test nuclear weapons, following the United States, the Soviet Union, and the United Kingdom.
The Institute of Nuclear Medicine, Oncology and Radiotherapy (INMOR) is a specialized medical institution that focuses on the fields of nuclear medicine, oncology (the study and treatment of cancer), and radiotherapy (the use of radiation to treat disease, particularly cancer). Such institutes typically provide a range of services including: 1. **Diagnostic Imaging**: Using nuclear medicine techniques such as PET scans and SPECT scans to diagnose various conditions, including cancer.
"Clab" can refer to different things depending on the context. Here are a few possible meanings: 1. **Social Media/Community Platform**: Clab could be a term used for a community platform or social media service that connects people based on shared interests or activities. 2. **Collaboration Tools**: It might refer to a collaborative application or tool designed for teamwork and project management.
The Samut Prakan radiation accident refers to an incident that occurred in 2000 in Samut Prakan, Thailand, involving the accidental release of radioactive materials. The incident took place when a scrap metal dealer unknowingly purchased a radioactive cesium-137 source that had been improperly disposed of. The radioactive source, which had been part of medical or industrial equipment, was found to be highly radioactive and posed a serious health risk.
"Command and Control" is a book by Eric Schlosser that delves into the history and management of nuclear weapons in the United States. Published in 2013, the book explores the complexities and dangers associated with nuclear arsenals, focusing particularly on the accidents, near-misses, and incidents that have occurred over the decades.
The Nuclear Information Service (NIS) is a UK-based organization that provides information and analysis on nuclear weapons and related issues. It focuses on promoting awareness and understanding of nuclear disarmament, non-proliferation, and the implications of nuclear policy and practice. NIS aims to inform public debate and influence policymakers through research, publications, and educational outreach. The organization often engages with civil society groups, governmental bodies, and international institutions to advocate for a safer world free from nuclear threats.
Magnox is a type of magnesium alloy that has a specific composition and is primarily known for its use in the construction of nuclear reactor components, particularly in the UK’s first-generation gas-cooled reactors. The name "Magnox" is derived from the alloy's composition, which includes a small amount of aluminum and other elements to enhance its properties.
Deuterium fusion refers to the nuclear fusion process involving deuterium, which is an isotope of hydrogen that contains one proton and one neutron in its nucleus. Deuterium fusion is one of the potential reactions that can occur in stars and is also a topic of interest in nuclear fusion research for energy generation. In fusion, two light atomic nuclei combine to form a heavier nucleus while releasing energy in the process.
In various contexts, the term "target angle" can refer to different concepts. Here are a few possible interpretations: 1. **Geometry and Trigonometry:** In geometry, especially in trigonometry, a "target angle" might refer to a specific angle one aims to achieve in a problem or calculation, such as when solving for angles in triangles or in the unit circle.
Donald Dines Wall refers to an artificial wall located in the Antarctic, specifically at the southern extent of the Vestry Glacier on the Antarctic Peninsula. The wall is named after Donald Dines, who was a prominent polar scientist and explorer known for his research and contributions to Antarctic studies. The wall serves as a significant geographical feature and is often of interest in studies related to glaciology and climate change.
The term "equidistant" refers to a situation where two or more points are at the same distance from a certain point or from each other. In various contexts, it can have slightly different implications: 1. **Geometry**: In geometry, points are said to be equidistant from a point if they are the same distance away from that point. For example, in a circle, all points on the circumference are equidistant from the center.
Dorothy Wallace could refer to a variety of individuals, as it is not an uncommon name. Without additional context, it's difficult to pinpoint a specific person or subject.
Ernst Sejersted Selmer is a prominent figure in the field of mathematics, particularly known for his contributions to number theory and group theory.
George Blakley might refer to a specific individual, but without additional context, it's unclear who you are referring to, as there could be multiple people with that name.
Goro Shimura is a renowned Japanese mathematician known for his significant contributions to number theory and algebraic geometry. He was particularly influential in the development of the Shimura-Taniyama conjecture, which was pivotal in the proof of Fermat's Last Theorem by Andrew Wiles. This conjecture relates elliptic curves and modular forms, forming a key link between disparate areas of mathematics.
Kamāl al-Dīn al-Fārisī (c. 1260 – c. 1320) was a notable Persian mathematician and astronomer. He is best known for his work in geometry, particularly in connection with the study of conic sections and his contributions to the field of optics. Al-Fārisī is often associated with the grand tradition of Islamic scholars who preserved and expanded upon the knowledge of the ancient Greeks.
Ionica Smeets is a Dutch mathematician and science communicator known for her work in promoting mathematics and science education. She has a background in mathematics and has been involved in various initiatives to make the field more accessible and engaging to the public. Smeets has also contributed to media discussions about mathematics, often writing articles, giving talks, and participating in outreach programs designed to foster interest in the subject.
Johan Jensen was a Danish mathematician known for his work in mathematical analysis, particularly in the field of convergence and the theory of series. He was born on March 30, 1874, and passed away on June 29, 1959. One of his significant contributions is Jensen's inequality, which is a fundamental result in convex analysis. The inequality characterizes the relationship between the value of a convex function at the average of points and the average of the function values at those points.
John Pell (1611–1685) was an English mathematician known for his contributions to number theory and algebra. He is best known for Pell's equation, which is a specific type of Diophantine equation of the form \(x^2 - Dy^2 = 1\), where \(D\) is a non-square integer. Although Pell's equation had been studied before his time, Pell made significant contributions to its resolution and analysis.

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