The Russian Mineralogical Society is a scientific organization dedicated to the study and advancement of mineralogy, geology, and related fields in Russia. Founded in 1806, it serves as a platform for researchers, professionals, and students interested in mineral sciences. The society promotes research, organizes conferences, publishes journals and literature, and facilitates collaboration among scientists in the field.
The Mineralogical Society of America (MSA) is a professional organization dedicated to advancing the understanding of mineralogy and related fields. Founded in 1919, the society aims to promote scientific research and academic collaboration within the fields of mineralogy, crystallography, petrology, and geochemistry. The MSA provides various resources for its members, including publications such as journals (e.g., *American Mineralogist*), books, and field guides.
Fort de Vaujours is a former military installation located in the Seine-Saint-Denis department of France, near the town of Vaujours, northeast of Paris. It was constructed in the 19th century as part of the French defensive fortifications. Specifically, it was built between 1874 and 1878 to protect Paris from potential threats.
The Cherenkov Array at Themis refers to a telescope array designed for observing cosmic rays and high-energy gamma rays through the detection of Cherenkov radiation. Themis is a specific experimental site, often associated with the study of astrophysical phenomena. Cherenkov radiation is emitted when charged particles, such as electrons, travel through a dielectric medium (like air or water) at speeds greater than the speed of light in that medium.
Bettis Atomic Power Laboratory (BAPL) is a research and development facility located in West Mifflin, Pennsylvania, near Pittsburgh. It is operated by the Naval Nuclear Laboratory, which is a part of the United States Department of Energy. BAPL specializes in the design, development, and testing of naval nuclear propulsion systems, primarily for the U.S. Navy's submarines and aircraft carrier fleets.
The National Superconducting Cyclotron Laboratory (NSCL) is a research facility located at Michigan State University (MSU) in East Lansing, Michigan. It is renowned for its advanced capabilities in nuclear physics research. The NSCL operates a superconducting cyclotron, which allows scientists to accelerate heavy ions to high energies for experiments in nuclear structure and nuclear astrophysics.
Fenton Hill Observatory is an astronomical observatory located in New Mexico, USA. It is situated at an elevation of about 2,788 meters (9,150 feet) on the Jemez Mountain range, close to the town of Los Alamos. The observatory is notable for its research in various fields of astrophysics and has been involved in groundbreaking studies, particularly in the areas of infrared astronomy, cosmic microwave background radiation, and high-energy astrophysics.
Luminescence is the emission of light by a substance that has not been heated. It is a form of photonic emission that occurs when certain materials absorb energy and then release that energy in the form of light. This process can occur via various mechanisms, leading to different types of luminescence: 1. **Fluorescence**: A process where a material absorbs light or other electromagnetic radiation and quickly re-emits it.
The term "interface force field" typically refers to a computational model used in molecular simulations, especially in the study of materials, biomolecules, and interfaces where different phases (such as solid, liquid, gas) interact. In this context, the interface is the boundary or region between distinct phases or materials that may have different physical and chemical properties.
Macromolecules are large, complex molecules that are essential for various biological functions. They are typically composed of thousands of atoms and include four primary types of biological macromolecules: 1. **Proteins**: These are made up of amino acids and play critical roles in biological processes, including catalyzing metabolic reactions (as enzymes), providing structural support, and regulating cellular functions. 2. **Nucleic Acids**: DNA and RNA are the two main types of nucleic acids.
A molecule is a group of two or more atoms that are bonded together by chemical forces. Molecules can consist of the same type of atoms, such as in diatomic molecules like oxygen (O₂) and nitrogen (N₂), or different types of atoms, such as in water (H₂O) and carbon dioxide (CO₂). Molecules can be classified into different categories: 1. **Elementary Molecules**: Formed from atoms of the same element (e.g.
Graphene morphology refers to the structural and physical characteristics of graphene, a single layer of carbon atoms arranged in a two-dimensional honeycomb lattice. Understanding graphene morphology involves examining several aspects, including: 1. **Layering**: Graphene can exist as a single layer (monolayer) or as multiple layers (bilayer, trilayer, etc.). The number of layers significantly influences its electrical, thermal, and mechanical properties.
Wedge-based mechanical exfoliation is a technique used to produce thin layers of materials, such as two-dimensional (2D) materials like graphene or transition metal dichalcogenides (TMDs), from bulk crystals. This method often involves the application of mechanical force with a wedge-shaped tool to separate layers in a controlled manner. ### Key Steps in Wedge-Based Mechanical Exfoliation: 1. **Preparation of Bulk Material**: A bulk crystal of the desired material is selected.
Helium stars are a class of stars that primarily emit energy through the fusion of helium in their cores. They typically arise in specific evolutionary stages of stellar evolution, often from the remnants of more massive stars. Here are some key points about helium stars: 1. **Origin**: Helium stars usually form from the remnants of massive stars that have completed helium burning in their cores, such as during the late stages of their evolution.
Trimix is a breathing gas mixture used in scuba diving that consists of three main components: oxygen (O2), nitrogen (N2), and helium (He). It is specifically designed to reduce the risks associated with deep diving, particularly narcosis and oxygen toxicity. ### Composition: - **Oxygen (O2):** The percentage of oxygen in trimix is typically lower than what is found in regular air to mitigate the risk of oxygen toxicity at depth.
The 1977 Tonga earthquake occurred on November 19, 1977, and was a significant seismic event that struck the region known as the Tonga Trench in the South Pacific. This area is known for its tectonic activity due to the subduction of the Pacific Plate beneath the Indo-Australian Plate. The earthquake had a moment magnitude of approximately 7.2 to 7.8, though estimates can vary.
A glacial earthquake, also known as a glacier earthquake or glacier-induced seismicity, is a type of seismic event that occurs as a result of the movement of glaciers. These earthquakes are typically not caused by tectonic processes like traditional earthquakes but rather by the dynamics of glaciers interacting with their environment.
Cardiac PET (Positron Emission Tomography) is a type of imaging technique that provides detailed information about the functioning of the heart. It uses positron-emitting radiotracers, which are generally injected into the bloodstream, to visualize and assess various cardiac parameters.
The KN-3 reactor is a type of nuclear reactor that is part of North Korea's nuclear program. Specifically, it is a light water reactor (LWR) and is often associated with North Korea's efforts to develop nuclear energy and potentially nuclear weapons capabilities. As of my last knowledge update in October 2023, the KN-3 reactor had been discussed in the context of North Korea's ongoing nuclear developments, with the country reportedly working on various reactor designs.
Auxiliary feedwater (AFW) is a system used in nuclear power plants and some fossil fuel power plants to provide essential cooling water to the steam generators or reactors in the event of a loss of the normal feedwater supply. It is an important part of the safety systems designed to mitigate the potential consequences of an accident or operational issue, such as a loss of coolant.
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!
Intro to OurBigBook
. Source. We have two killer features:
- 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-calculusArticles 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/derivativeVideo 2. OurBigBook Web topics demo. Source. - 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.
- to OurBigBook.com to get awesome multi-user features like topics and likes
- as HTML files to a static website, which you can host yourself for free on many external providers like GitHub Pages, and remain in full control
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. - Infinitely deep tables of contents:
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





