The Max Planck Institute for Astrophysics (MPA) is a research institute located in Garching, Germany, that is part of the Max Planck Society, a prominent organization dedicated to scientific research. Established in 1979, the MPA focuses on various aspects of astrophysics, including the formation and evolution of stars and galaxies, cosmology, high-energy astrophysics, and theoretical astrophysics. The institute is known for its strong emphasis on theoretical research and numerical simulations.
In Punjab, India, land measurement is conducted using traditional units and the metric system. The most commonly used traditional units include: 1. **Biswa**: A unit of area measurement, where 1 Biswa is typically equal to about 1/20 of an acre or around 0.05 acres, though this can vary slightly by specific local practices. 2. **Kanal**: A Kanal is equal to 20 Biswas, or approximately 1/5 of an acre.
The speed of neutrinos has been a subject of interest in particle physics, particularly because of its implications for our understanding of the fundamental laws of physics. Neutrinos are extremely light and elusive particles that interact very weakly with matter, which makes measuring their speed challenging.
The "measure problem" in cosmology refers to a fundamental issue concerning how to properly quantify or make predictions regarding the distribution of structures in the universe, specifically in the context of the inflationary universe model and the multiverse hypothesis. There are several aspects to the measure problem, but it fundamentally boils down to questions about how to define probabilities in a universe that may contain an infinite number of regions or "pocket" universes.
A mechanical puzzle is a type of puzzle that requires the manipulation of interlocking or moving parts to achieve a specific goal or solution. These puzzles often involve physical dexterity, spatial reasoning, and problem-solving skills. They can be made from various materials, including wood, metal, and plastic, and may come in various forms, such as: 1. **Disentanglement Puzzles**: These puzzles consist of intertwined pieces that need to be separated without breaking or altering the pieces.
A median graph is a specific type of graph in graph theory that has a distinctive property related to distances between its vertices. In particular, a median graph is defined as a graph in which, for any three vertices \( u, v, w \), the distance between any two of these vertices is less than or equal to the sum of the distances from the third vertex to the two others.
The Mediocrity Principle, often associated with the field of cosmology and the search for extraterrestrial life, posits that Earth and its inhabitants are not in any way special or unique in the universe. This principle is a part of the broader "Copernican principle," which suggests that humans and our planet occupy no privileged position in the cosmos. The Mediocrity Principle has implications for the study of the universe and the potential for life beyond Earth.
The Mega-D botnet, also known as the Dorkbot or Mega D, is a type of malicious software (malware) that was primarily used for sending spam emails and distributing various types of malware. It emerged around 2008 and became notable for its size and functionality.
As of my last knowledge update in October 2021, Lawrence Sulak is not widely recognized in public knowledge or prominent figures. It's possible that he could be a private individual, a minor public figure, or perhaps someone who gained prominence after my last update.
Malcolm D. Shuster is a notable figure in the field of astronomy and astrophysics, particularly known for his work in astrophysical research and education. He has contributed significantly to our understanding of cosmic phenomena, including aspects of stellar evolution and the dynamics of celestial bodies. In addition to his academic work, he has been involved in various outreach and educational initiatives aimed at promoting science and astronomy.
Massimo Vergassola is an Italian physicist known for his work in statistical physics and biophysics. He has contributed to understanding complex systems, often focusing on the dynamics of biological processes and the behavior of active matter. His research typically involves theoretical and computational approaches to elucidate the fundamental principles governing such systems.
As of my last update in October 2023, there isn’t widely recognized public information about a person named Matthew Headrick. He could be a private individual or a figure not extensively covered in public sources.
Peter Michelson could refer to various individuals, but without additional context, it is difficult to determine exactly which Peter Michelson you are referring to. There might be notable figures, such as academics, authors, or professionals in specific fields with that name.

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