Box topology is a topology that can be applied to products of topological spaces, especially in the context of infinite product spaces. It is defined on the Cartesian product of a collection of topological spaces, and it has some distinct properties compared to another common topology used on product spaces, known as the product topology.
Archaeoacoustics is an interdisciplinary field that studies the relationship between sound and archaeological sites. It combines aspects of archaeology, acoustics, anthropology, and acoustical engineering to explore how ancient peoples may have used sound in their rituals, ceremonies, and daily life, as well as how sound interacts with the acoustics of specific environments such as caves, temples, and other structures.
A harmonic oscillator is a system that, when displaced from its equilibrium position, experiences a restoring force proportional to the displacement. This concept is fundamental in physics and appears in various contexts, such as mechanics, electromagnetism, and quantum mechanics. ### Key Characteristics of a Harmonic Oscillator: 1. **Restoring Force**: The defining characteristic of a harmonic oscillator is that the force acting on it is linearly proportional to the displacement from the equilibrium position.
A microbarom is a small, low-frequency ocean wave generated by the interaction of ocean waves and atmospheric pressure fluctuations. These pressure fluctuations can be caused by distant storms, and when ocean waves propagate towards the shore, they generate low-frequency sound waves, which are referred to as microbaroms. Microbaroms typically have frequencies in the range of 0.1 to 0.2 Hz and are often detected using sensitive barometers or microphones.
Otoacoustic emissions (OAEs) are sound waves that are generated by the inner ear, specifically by the outer hair cells of the cochlea, in response to auditory stimuli. These emissions can be spontaneous (occurring without any external sound) or evoked (produced in response to a sound stimulus, such as a click or tone).
Sound is a type of mechanical wave that travels through a medium, such as air, water, or solid materials, as a result of vibrations. These vibrations create pressure changes in the medium, which our ears detect and interpret as sound. Key characteristics of sound include: 1. **Frequency**: This refers to the number of vibrations or cycles per second, measured in Hertz (Hz). Frequency determines the pitch of a sound; higher frequencies correspond to higher pitches.
"Standard Day" can refer to a few different things depending on the context. One of the most common references is to the "standard day" concept in general timekeeping, which typically consists of a 24-hour period divided into two 12-hour segments (AM and PM).
A whispering gallery is a curved architectural feature, often found in domes or vaulted ceilings, designed to facilitate sound transmission over long distances. The unique geometry allows whispers or quiet sounds to travel along the curved surface, making it possible to hear conversations that occur at a distance from the source. One of the most famous examples of a whispering gallery is located in St.
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