Lagrange's identity is a mathematical formula that relates the sums of squares of two sets of variables. It is often stated in the context of inner product spaces or in terms of quadratic forms.
Selenocysteine by Ciro Santilli 40 Updated 2025-07-16
Like cysteine, but with selenium instead of sulfur.
The weird one, not directly coded in the genetic code.
Kindness is the quality of being considerate, compassionate, and helpful towards others. It involves actions and attitudes that promote goodwill, empathy, and understanding. Kindness can manifest in various forms, including small gestures, such as offering a smile or compliment, and larger acts, such as volunteering time or resources to help those in need. At its core, kindness fosters positive relationships and can create a sense of community and belonging.
Moral Foundations Theory (MFT) is a psychological and philosophical framework developed by social psychologist Jonathan Haidt and his colleagues. It aims to explain the origins of human moral reasoning and the emotional and cognitive foundations of our moral judgments. According to this theory, human morality is built upon several innate and universal moral foundations that are shaped by cultural and social factors.
Moral intelligence refers to the ability to discern right from wrong, act on that discernment, and demonstrate ethical behavior in various situations. It encompasses a set of competencies that enable individuals to make morally sound decisions and engage in ethical behavior in personal and professional contexts. Some key components of moral intelligence include: 1. **Integrity**: Adhering to moral and ethical principles, being honest, and maintaining consistency in values and actions.
Ahmad Ibn al-Qadi is not a widely recognized figure in historical or academic contexts. It's possible that you are referring to a specific individual who is less well-known or possibly a topic related to Islamic scholarship. The name suggests an association with Islamic legal scholarship (`Qadi` refers to a judge in Islamic law).
Alex Konanykhin is a businessman and entrepreneur known for his work in various fields, including technology and finance. He gained prominence for founding the online marketplace and financial services platform called "Konnexio." Additionally, he has been involved in various startups and initiatives, emphasizing innovation and entrepreneurship. Konanykhin is also recognized for his outspoken views on topics such as freedom, governmental oversight, and personal rights, often leveraging social media and public platforms to share his perspectives.
"Nouvelle tendance" is a French phrase that translates to "new trend" in English. It typically refers to a fresh or emerging trend in various fields such as fashion, art, music, or culture. In these contexts, it can denote innovative styles, ideas, or movements that are gaining popularity or recognition. The term can also be used more broadly to describe any recent shift or change in societal norms, consumer behavior, or creative expressions.
Musical settings of poems by Dante Alighieri refer to various compositions where musicians have set Dante's poetry, particularly from his renowned works such as "The Divine Comedy" and "La Vita Nuova," to music. Dante, an iconic figure in literature and a foundational figure in the Italian language, has inspired a diverse array of musical interpretations across different genres and periods. ### Types of Musical Settings 1.
The Sacher Hexachord is a specific set of six pitches that is related to the composer Paul Sacher, who was notable for his contributions to 20th-century music and his support for contemporary composers. The hexachord consists of the following pitch classes: C, C♯, D♯, E, F♯, and G.
Tillig is a company based in Germany that specializes in the production of model railway products, primarily focusing on scale model trains and accessories. Founded in 1992 and named after its founder, Rainer Tillig, the company has become well-known among hobbyists for its high-quality models, including locomotives, rolling stock, and various track systems.
Scientific pitch, also known as "scientific pitch notation" or "international pitch notation," is a system used to name musical pitches by specifying their position on a standardized scale. In this system, pitches are identified by a letter name (A through G) along with an octave designation using numerical labels. In scientific pitch notation, the middle C is designated as C4. The system continues with numbers indicating octaves above and below middle C.
Feature-oriented scanning is a technique primarily used in the fields of software engineering and computer science, particularly in the context of feature-oriented programming and software product lines. It refers to a method of analyzing and processing software features in a modular and systematic way. Here’s a breakdown of the concept: ### Key Aspects of Feature-Oriented Scanning: 1. **Feature Modularity**: In software development, features are the distinct functionalities or capabilities of a software product.
Nanotechnology has numerous applications in the field of energy, offering innovative solutions to enhance energy efficiency, storage, conversion, and production. Some key energy applications of nanotechnology include: 1. **Solar Energy**: - **Nanostructured Photovoltaics**: Nanomaterials such as quantum dots and nanoparticles can improve the efficiency of solar cells by enhancing light absorption and charge carrier separation.
Lab-on-a-chip (LoC) refers to a miniaturized device that integrates one or more laboratory functions on a single chip, often made of materials like glass, silicon, or polymer. These devices are designed to perform various biological or chemical analyses, and the functionality can include sample preparation, reaction processing, and detection within a compact platform.
Nanofoundry typically refers to a facility or platform that combines nanotechnology and foundry processes to design, manufacture, and manipulate materials and devices at the nanoscale. While the specific context may vary, a Nanofoundry often focuses on the fabrication of nanoscale structures and devices for applications in fields such as electronics, medicine, materials science, and biotechnology.
A nanosensor is a device that utilizes nanoscale materials or structures to detect and measure physical, chemical, or biological properties. These sensors typically operate at the nanometer scale (1 to 100 nanometers) and can provide highly sensitive and specific detection capabilities due to their unique properties at this scale.
Roller electrospinning is a variation of the traditional electrospinning technique used to create nano- and microfibers from polymer solutions. In conventional electrospinning, a polymer solution is ejected from a syringe needle under the influence of an electric field, forming fibers that are collected on a target collector. Roller electrospinning, on the other hand, incorporates a rotating collector that is often shaped like a roller or drum.

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