Liquid marbles are small droplets of liquid that are encapsulated in a hydrophobic (water-repelling) solid coating, which prevents the liquid from wetting the surface and allows it to behave like a small, discrete marble. This phenomenon is achieved by the process of coating the liquid droplet with a layer of solid particles such as hydrophobic powders (like hydrophobic silica, starch, or polymer beads), which cling to the droplet's surface.
The sea surface microlayer (SML) is the thin layer of water that resides at the air-sea interface, typically extending from the ocean surface down to about 1 millimeter (up to several millimeters in some cases). This layer is characterized by distinct physical, chemical, and biological properties when compared to the underlying water column.
The Vroman effect refers to a phenomenon in immunology where different types of proteins or antibodies compete for binding sites on cell surfaces. Specifically, it describes how certain proteins, such as plasma proteins, adhere to a surface (like endothelial cells) and can be gradually replaced by other proteins that have a higher affinity for the binding sites or are present in higher concentrations. This effect is named after the scientist who first described it, and it highlights the dynamic nature of protein interactions within biological systems.
Rokhlin's theorem is a fundamental result in the theory of measure and ergodic theory, particularly in the context of dynamics on compact spaces. Named after the mathematician Vladimir Rokhlin, the theorem provides a powerful tool for understanding the structure of measure-preserving transformations. ### Statement of the Theorem Rokhlin's theorem specifically deals with the existence of invariant measures for ergodic transformations.
Ronald Venetiaan is a Surinamese politician and attorney who served as the President of Suriname from 1991 to 1996 and again from 2001 to 2005. He was a member of the Progressive Reform Party (VHP) and played a significant role in Surinamese politics over several decades. Venetiaan is known for his contributions to the country's democratic processes and governance during a time of political transition in Suriname.
In Queensland, Australia, survey marks are reference points used in land surveying to establish precise locations and define boundaries. These marks are critical for ensuring accurate measurements and are used by surveyors when conducting land surveys for various purposes, including property development, construction, and land division.
whoisxmlapi WHOIS history April 11, 2011:Folowed by reuters registration in 2022.
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CIA 2010 covert communication websites feedsdemexicoyelmundo.com by
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Video "Finite fields made easy by Randell Heyman (2015)" at youtu.be/z9bTzjy4SCg?t=159 shows how for order . Basically, for order , we take:For a worked out example, see: GF(4).
- each element is a polynomial in , , the polynomial ring over the finite field with degree smaller than . We've just seen how to construct for prime above, so we're good there.
- addition works element-wise modulo on
- multiplication is done modulo an irreducible polynomial of order
A dioptra is an ancient surveying instrument used for measuring angles in horizontal and vertical planes. It dates back to ancient Greece and was employed by architects, engineers, and astronomers to aid in the construction of buildings, the mapping of land, and the observation of celestial bodies. The instrument typically consists of a straightedge or a graduated arc mounted on a stand, allowing for precise angle measurement.
Georg Friedrich Brander (often mentioned as Georg Friedrich Brander von Stennberg) was a notable figure in the context of 18th-century German literature and philosophy, though he is not as widely recognized as some of his contemporaries. He lived during a time when Enlightenment ideas were prominent in Europe, which influenced various fields including literature, science, and politics.
A laser line level is a type of leveling tool that projects a straight line of laser light onto a surface, allowing for precise alignment and leveling of various construction and installation tasks. It is commonly used in construction, carpentry, and interior design for both horizontal and vertical alignment.
A military sketching board, also known as a sketching or drawing board, is a portable surface used by military personnel, especially in field operations, to create maps, diagrams, and other visual representations. These boards are typically designed to be lightweight and durable for easy transport and use in various environments. Key features often include: 1. **Flexibility:** They can accommodate different types of media, such as pencils, markers, or even digital devices depending on the design.
In surveying, a "pole" is an older unit of measure that is equivalent to 16.5 feet, or 5.5 yards. It is also referred to as a "rod" or "perch." This unit was historically used in land surveying and can be encountered in real estate, agricultural measurement, and mapping. The pole is part of a chain measurement system, where a chain equals 66 feet, and there are 4 poles in one chain.
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





