Happy Alchemy by Wikipedia Bot 0
Happy Alchemy can refer to different concepts depending on the context. Generally, it is associated with the idea of transforming emotions, thoughts, or situations into something positive or uplifting—essentially 'alchemy' in an emotional or psychological sense. This might involve practices related to personal development, mental wellness, or spiritual growth, focusing on cultivating happiness and well-being. In some contexts, it could be a name of a specific program, book, or organization focused on these transformative practices.
"Friends, Romans, countrymen, lend me your ears" is a famous line from William Shakespeare's play *Julius Caesar*. It is the opening line of Mark Antony's speech in Act 3, Scene 2, in which he addresses the crowd after the assassination of Julius Caesar. In this speech, Antony seeks to sway public opinion against the conspirators who killed Caesar and to incite feelings of loyalty and mourning for Caesar.
Speechwriters by Wikipedia Bot 0
Speechwriters are professionals who specialize in composing speeches for others, typically for public figures such as politicians, executives, or organizational leaders. Their role involves researching the subject matter, understanding the audience, and crafting persuasive and impactful messages that resonate with listeners. Key responsibilities of speechwriters include: 1. **Research:** Understanding the context of the speech, including key issues, the audience's interests, and the speaker's style and objectives.
Speeches by type by Wikipedia Bot 0
"Speeches by type" typically refers to the classification of speeches based on their purpose, style, or context. Here are some common types of speeches: 1. **Informative Speeches**: Aim to educate the audience about a particular topic. They provide detailed information and are factual. 2. **Persuasive Speeches**: Intended to convince the audience to adopt a particular viewpoint or take action. These speeches often appeal to emotions, logic, or ethics.
Flux pumping by Wikipedia Bot 0
Flux pumping is a phenomenon that occurs in superconductors and is related to the movement of magnetic flux lines through a superconductor when it is in a state of persistent current. This phenomenon is particularly relevant in the study of type-II superconductors, which allow magnetic flux to penetrate their surface while still maintaining zero electrical resistance. In type-II superconductors, when exposed to an external magnetic field, the material allows magnetic flux to enter in discrete quantized units known as fluxoids or magnetic vortices.
"Speeches by decade" typically refers to a collection or categorization of notable speeches organized by the decade in which they were delivered. This can encompass a wide range of topics, speakers, and events, reflecting social, political, economic, and cultural changes over time.
Ancient Greek orations refer to formal speeches that were delivered in Ancient Greece, particularly during the classical period (approximately 5th to 4th centuries BCE). These orations were often characterized by their rhetorical style and were used in various contexts such as politics, law, philosophy, and public ceremonies.
X-ray Magnetic Circular Dichroism (XMCD) is a powerful spectroscopic technique used to probe the magnetic properties of materials at the atomic scale. It utilizes circularly polarized X-rays to study the magnetic states of a sample, providing information about the electronic structure and the magnetic moments associated with different elements in a material. The principle behind XMCD is based on the interaction of circularly polarized X-rays with magnetic materials.
"Speeches by century" typically refers to notable speeches that were delivered throughout different centuries in history. Such speeches are often recognized for their impact on society, politics, culture, or historical events. Here’s an overview of some significant speeches from various centuries: ### 18th Century (1700s) - **"Give me liberty, or give me death!
Rovibronic coupling refers to the interactions that occur between rotational, vibrational, and electronic states of molecules. The term is a combination of three components: 1. **Rotational (ro-)**: This part pertains to the rotational motion of molecules. When a molecule rotates, it can occupy various rotational energy levels. 2. **Vibrational (vi-)**: This aspect deals with the vibrational motion of the atoms within a molecule.
Magnetic Resonance Spectroscopic Imaging (MRSI) is an advanced imaging technique that combines Magnetic Resonance Spectroscopy (MRS) and Magnetic Resonance Imaging (MRI) to evaluate the biochemical composition of tissues in a non-invasive manner. While MRI primarily provides images based on the anatomy and structure of tissues, MRSI offers insights into the metabolic and chemical composition of those tissues.
Kratos MS 50 by Wikipedia Bot 0
Kratos MS 50 is generally known as a type of missile system, specifically the indigenous surface-to-air missile developed by India's Defence Research and Development Organisation (DRDO). It is designed to provide air defense capabilities to protect various assets by engaging aerial threats like aircraft, drones, and missiles. Additionally, it may encompass integration with advanced tracking and guidance systems to ensure accurate targeting.
Colossal magnetoresistance (CMR) refers to a significant change in the electrical resistance of a material in response to an applied magnetic field. This phenomenon is especially pronounced in certain types of manganese oxides, such as perovskite materials. CMR can be defined as an increase in resistance by several orders of magnitude when a magnetic field is applied, compared to the resistance observed in the absence of a magnetic field.
Bipolar magnetic semiconductors are a class of materials that exhibit both magnetic properties and semiconductor characteristics. These materials can conduct electricity like traditional semiconductors while also displaying magnetic ordering, which is typically associated with ferromagnetic or antiferromagnetic behavior. The term "bipolar" in this context often refers to the ability of the semiconductor to support both types of charge carriers: electrons (negative charge carriers) and holes (positive charge carriers).
Biexciton by Wikipedia Bot 0
A biexciton is a quantum mechanical state that consists of two excitons. An exciton is a bound state of an electron and a hole (the absence of an electron) in a semiconductor or insulator. When an electron in a semiconductor absorbs energy (such as from a photon), it can be excited from the valence band to the conduction band, leaving behind a hole in the valence band. The electron and hole can then interact through electrostatic attraction, forming an exciton.
The Journal of Molecular Spectroscopy is a scientific journal that focuses on research in the field of molecular spectroscopy. It publishes original research articles, reviews, and short communications that address various aspects of molecular spectroscopy, including theoretical, experimental, and computational studies. Molecular spectroscopy is the study of the interaction of electromagnetic radiation with molecular species, and it plays a critical role in understanding molecular structure, dynamics, and interactions.
Matrix of ones by Wikipedia Bot 0
A matrix of ones is a matrix in which every element is equal to one. It can be represented in various shapes and sizes, such as a 2x3 matrix, a 4x4 matrix, or any \( m \times n \) matrix, where \( m \) is the number of rows and \( n \) is the number of columns.
Dexter electron transfer, often referred to in the context of quantum chemistry and solid-state physics, is a mechanism of electron transfer that involves quantum tunneling. This process typically occurs between two molecules that are in close proximity and involves the transfer of an electron from one molecular orbital to another, even when they are not directly in contact.
The depolarization ratio is a term commonly used in the fields of optics, atmospheric science, and remote sensing to describe the degree of light polarization change after scattering, particularly in relation to particles or aerosols in the atmosphere. It is defined as the ratio of the intensity of the scattered light that is polarized to the intensity of the light that is unpolarized or the total intensity of the light.
Dark current spectroscopy is a technique used in the field of spectroscopy to analyze the properties of materials and detect specific phenomena, often in the context of photodetectors and other devices that interact with light. The "dark current" refers to the electrical current that flows through a photodetector in the absence of light, which can arise from thermal excitation of charge carriers, defects, and other mechanisms.

Pinned article: ourbigbook/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 5. . 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.
  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