Transport law is a branch of law that governs the movement of people and goods from one location to another. It encompasses a wide range of legal principles, regulations, and frameworks that apply to various modes of transportation, including: 1. **Land Transport**: This includes laws related to road traffic, railways, and the liabilities associated with transporting goods and passengers by land.
Accessible transportation refers to transportation systems and services designed to accommodate individuals with disabilities, including those with mobility, sensory, cognitive, and other impairments. The goal of accessible transportation is to ensure that all individuals can travel safely, efficiently, and with dignity, regardless of their abilities. Key features of accessible transportation may include: 1. **Accessible Vehicles:** Buses, trains, and taxis equipped with features like wheelchair ramps, lifts, and designated spaces for passengers with disabilities.
The 85th percentile speed is a measurement used in traffic engineering and transportation studies to indicate the speed at which 85% of vehicles are traveling at or below on a particular stretch of road at a given time. In essence, it is a statistical measure that helps identify the speed at which most drivers are comfortable driving without feeling the need to speed. To calculate the 85th percentile speed, traffic speed data is collected from a specified site over a certain period.
RE, or recursively enumerable, refers to a class of languages in the theory of computation that can be recognized by a Turing machine. Specifically, a language is said to be recursively enumerable if there exists a Turing machine that will accept any string in the language (i.e., it will halt and say "yes" if the string is part of the language) but may either reject or run forever if the string is not in the language.
Satyagraha is a philosophy and method of nonviolent resistance and civil disobedience developed by Mahatma Gandhi in the early 20th century. The term itself is derived from two Sanskrit words: "satya," meaning truth, and "agraha," meaning firmness or insistence. Thus, it can be understood as "firmness in truth" or "truth-force.
Meteorology involves the study of the atmosphere and weather phenomena, and it employs various units of measurement to quantify different aspects of the weather and climate. Here are some of the key units used in meteorology: 1. **Temperature**: - **Degrees Celsius (°C)**: Commonly used in most countries. - **Degrees Fahrenheit (°F)**: Primarily used in the United States. - **Kelvin (K)**: Used in scientific contexts.
DGH can refer to a few different things depending on the context. Here are some common interpretations: 1. **DGH (Dijkstra Graph Hierarchy)**: In computer science, it can refer to a structure related to graph theory. 2. **DGH (District General Hospital)**: In healthcare, DGH often stands for District General Hospital, which is a regional hospital providing a wide range of services to a specific locality.
"Welsh units" typically refer to a system of measurement that was historically used in Wales, particularly in agriculture and land measurement. However, the term is not widely recognized in contemporary discussions surrounding units of measurement, as most places have standardized their measurements to metric or imperial systems.
The wave equation contains the entire state of a particle.
From mathematical formulation of quantum mechanics remember that the wave equation is a vector in Hilbert space.
And a single vector can be represented in many different ways in different basis, and two of those ways happen to be the position and the momentum representations.
More importantly, position and momentum are first and foremost operators associated with observables: the position operator and the momentum operator. And both of their eigenvalue sets form a basis of the Hilbert space according to the spectral theorem.
When you represent a wave equation as a function, you have to say what the variable of the function means. And depending on weather you say "it means position" or "it means momentum", the position and momentum operators will be written differently.
This is well shown at: Video "Visualization of Quantum Physics (Quantum Mechanics) by udiprod (2017)".
Furthermore, the position and momentum representations are equivalent: one is the Fourier transform of the other: position and momentum space. Remember that notably we can always take the Fourier transform of a function in due to Carleson's theorem.
Then the uncertainty principle follows immediately from a general property of the Fourier transform: en.wikipedia.org/w/index.php?title=Fourier_transform&oldid=961707157#Uncertainty_principle
In precise terms, the uncertainty principle talks about the standard deviation of two measures.
We can visualize the uncertainty principle more intuitively by thinking of a wave function that is a real flat top bump function with a flat top in 1D. We can then change the width of the support, but when we do that, the top goes higher to keep probability equal to 1. The momentum is 0 everywhere, except in the edges of the support. Then:
- to localize the wave in space at position 0 to reduce the space uncertainty, we have to reduce the support. However, doing so makes the momentum variation on the edges more and more important, as the slope will go up and down faster (higher top, and less x space for descent), leading to a larger variance (note that average momentum is still 0, due to to symmetry of the bump function)
- to localize the momentum as much as possible at 0, we can make the support wider and wider. This makes the bumps at the edges smaller and smaller. However, this also obviously delocalises the wave function more and more, increasing the variance of x
Bibliography:
- www.youtube.com/watch?v=bIIjIZBKgtI&list=PL54DF0652B30D99A4&index=59 "K2. Heisenberg Uncertainty Relation" by doctorphys (2011)
- physics.stackexchange.com/questions/132111/uncertainty-principle-intuition Uncertainty Principle Intuition on Physics Stack Exchange
The Magnetic Moment of the Electron by Kusch and Foley (1948) by
Ciro Santilli 40 Updated 2025-07-16
Published on Physical Review by Polykarp Kusch and Foley.
Bibliography:
BIBSYS is a Norwegian organization that provides library and information services primarily to institutions in Norway. It offers a suite of tools and systems for managing library resources, including cataloging, circulation, and digital library services. BIBSYS serves universities, colleges, and research institutions, enabling them to share resources and streamline library operations.
The Moser Research Environment (MRE) refers to a specific scientific platform designed to facilitate research in the field of neuroscience and related disciplines. It was developed by the Moser group, which includes renowned neuroscientists Edvard and May-Britt Moser, who were awarded the Nobel Prize in Physiology or Medicine in 2014 for their discoveries of cells that constitute a positioning system in the brain, critical for understanding spatial navigation.
The Trondheim Jazz Festival is an annual music festival held in Trondheim, Norway, dedicated to jazz music. It typically features a variety of performances by both international and local jazz artists, encompassing a wide range of styles within the genre. The festival is known for promoting emerging talents as well as established musicians, providing a platform for collaborative projects and innovative performances. In addition to concerts, the festival often includes workshops, seminars, and other educational events aimed at fostering appreciation for jazz and its various forms.
Sara Pozzi is a prominent Italian artist known for her work in the field of contemporary art, particularly in painting and installations. Her work often explores themes related to identity, memory, and perception, using a variety of mediums to express her artistic vision.
Arnan Azaryahu is an Israeli national known for his expertise in the field of life sciences and management. He is recognized for his contributions to research and development in the biotechnology industry.
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





