Hollow atoms are a concept in atomic physics that refers to atoms that have had one or more of their inner electrons removed, creating a sort of "hollow" structure. This can happen in highly ionized states, where electrons from the inner shells are ejected, leaving behind only outer electrons. The properties of hollow atoms can be quite interesting because the absence of inner electrons influences the atom's electron distribution, energy levels, and interactions with other particles.
Neuromonics is a therapeutic approach often associated with the treatment of tinnitus, which is the perception of sound in the absence of an external source, typically experienced as ringing or buzzing in the ears. The Neuromonics treatment involves the use of customized sound therapy combined with a structured cognitive behavioral therapy component. The primary goal of Neuromonics is to help individuals modify their emotional response to tinnitus and reduce its perceived impact on daily life.
Paul Earls Sabine is not a widely recognized name or concept in public knowledge as of my last update in October 2021. It’s possible that it could refer to a specific individual or a term that has emerged after that time.
Vinyl emulation refers to the practice of using digital technology to replicate the sound characteristics of vinyl records. This can involve both software and hardware solutions designed to mimic the warmth, texture, and unique sonic imperfections associated with vinyl playback. Key aspects of vinyl emulation include: 1. **Sound Characteristics**: Vinyl records produce a distinct sound due to factors like analog compression, frequency response quirks, and surface noise. Emulation techniques aim to recreate these qualities in a digital format.
Acoustic trauma refers to injury to the auditory system caused by exposure to high-intensity sounds. This type of trauma can occur from sudden, loud noises, such as gunshots, explosions, or loud music played at excessive volumes, leading to immediate and potentially permanent damage to the hair cells in the inner ear or the auditory pathways in the brain.
The cochlear nerve, also known as the auditory nerve, is a critical component of the auditory system responsible for transmitting sound information from the inner ear to the brain. It is part of the vestibulocochlear nerve, or cranial nerve VIII (CN VIII), which consists of two main branches: the cochlear nerve and the vestibular nerve. The cochlear nerve specifically conveys electrical signals that originate from hair cells in the cochlea, a spiral-shaped structure within the inner ear.
Conductive hearing loss is a type of hearing impairment that occurs when sound waves are not effectively transmitted through the outer ear canal to the eardrum and the tiny bones of the middle ear. This type of hearing loss can be caused by a variety of factors, including: 1. **Obstruction:** Earwax buildup (cerumen impaction), foreign objects in the ear canal, or fluid in the middle ear can block the passage of sound.
Diagnosis of hearing loss typically involves a series of steps and tests conducted by healthcare professionals, often an audiologist or an ear, nose, and throat (ENT) specialist. The process may include the following components: 1. **Medical History**: The audiologist or ENT specialist will take a detailed medical history, including any previous ear problems, family history of hearing loss, exposure to loud noises, and any medications that could affect hearing.
Musical Ear Syndrome (MES) is a phenomenon often experienced by individuals with hearing loss, particularly those who use hearing aids or cochlear implants. It involves the perception of music or musical sounds that are not present in the environment. People with MES may hear tunes, melodies, or whole songs, which can sometimes be comforting or enjoyable but may also be confusing or distressing.
The spiral ganglion is a critical structure located in the inner ear, specifically in the cochlea, which is responsible for hearing. It consists of a collection of neurons (nerve cells) that play a vital role in the auditory system. Here are some key points about the spiral ganglion: 1. **Location**: The spiral ganglion is situated in the bony core of the cochlea, which is a spiral-shaped structure that is part of the inner ear.
Faraday waves, also known as Faraday instability, refer to a specific type of surface wave pattern that forms in a liquid layer subjected to periodic vibrations. This phenomenon is named after Michael Faraday, who conducted early experiments related to wave behavior. When a liquid surface is vibrated vertically at a frequency close to its natural frequency, it can create standing wave patterns, leading to the formation of regular geometric shapes such as hexagons or stripes.
A plane wave is a type of wave that has a constant phase front and travels in a uniform direction. In simpler terms, it can be thought of as a wave where the wavefronts (surfaces of constant phase) are infinite parallel planes. Plane waves are often used as an idealization in physics to simplify the analysis of wave phenomena, such as light waves, sound waves, and other types of electromagnetic or mechanical waves.
The Standing Wave Ratio (SWR), often referred to as Voltage Standing Wave Ratio (VSWR), is a measure used in radio and telecommunications to quantify the efficiency of power transmission in a transmission line. It specifically indicates how well the load (such as an antenna) is matched to the transmission line. SWR is defined as the ratio of the maximum voltage (V_max) to the minimum voltage (V_min) along the transmission line.
The **dynamic design analysis method (DDAM)** is a structured approach used in design analysis, particularly in fields like engineering, architecture, and product development. This method involves understanding and assessing the dynamic behavior of systems or components over time, especially in response to various external factors such as loads, vibrations, or operational conditions.
Enstrophy is a concept used in fluid dynamics and turbulence theory to quantify the intensity of vorticity in a fluid. It is defined mathematically as the integral of the square of the vorticity over a given volume. The vorticity itself is a vector field that represents the local rotation of the fluid, and is defined as the curl of the velocity vector field.
The Mooney–Rivlin solid is a mathematical model used to describe the mechanical behavior of hyperelastic materials, which are materials that can undergo large elastic deformations. Named after the contributions of Melvin Mooney and Ronald Rivlin, this model is particularly useful in the field of rubber-like materials and soft biological tissues, which can experience significant stretching and compressibility.
Rheometry is the study of the flow and deformation of materials, primarily focusing on their rheological properties. It involves the measurement of how substances respond to applied stress or strain, which helps in understanding their viscous (flow) and elastic (deformation) behavior. Rheometry is crucial in various fields such as material science, pharmaceuticals, food science, and polymer science, where the flow properties of materials can significantly impact processing and product performance.
Vibration of plates refers to the oscillatory motion of structural elements such as plates, which are flat, two-dimensional surfaces. This subject is an important aspect of structural mechanics and is commonly analyzed in engineering, particularly in mechanical and aerospace engineering, civil engineering, and materials science. ### Key Concepts: 1. **Types of Plates**: - **Thin Plates**: These have a small thickness compared to their other dimensions and typically exhibit simpler vibration modes.

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