A weather balloon is a type of high-altitude balloon specifically designed to collect data about the atmosphere. Typically made of latex or synthetic rubber, these balloons are filled with helium or hydrogen gas and can ascend to altitudes of up to 40 kilometers (about 25 miles) or more. Weather balloons are equipped with scientific instruments, such as radiosondes, which measure various atmospheric parameters, including temperature, humidity, atmospheric pressure, and wind speed and direction.
The planetary boundary layer (PBL) is a key part of the Earth's atmosphere that is directly influenced by the presence of the Earth's surface. It is the lowest portion of the atmosphere, typically extending from the surface up to about 1 to 2 kilometers (or approximately 0.6 to 1.2 miles) in altitude, although its thickness can vary depending on weather conditions, terrain, and time of day.
The term "surface layer" can refer to several contexts across different fields, including geology, oceanography, atmospheric science, and materials science. Here are a few interpretations based on these contexts: 1. **Geology and Soil Science**: In this context, the surface layer refers to the uppermost layer of soil or rock that is in contact with the environment. It is often the layer where biological activity is greatest and is critical for plant growth.
Vertically integrated liquid typically refers to a business model that combines multiple stages of production or supply chain processes within a single entity, specifically in industries that deal with liquid products. This could apply to sectors such as beverages, chemicals, oil and gas, or pharmaceuticals, where various stages from raw material extraction through manufacturing and distribution are managed under one organization. The term "vertically integrated" itself describes a company's ability to control more than one stage of their supply chain.
Microbial ecology is the branch of ecology that focuses on the interactions and relationships between microorganisms—the diverse group of microscopic organisms that include bacteria, archaea, fungi, viruses, and protozoa—and their environments. This field studies how these microorganisms interact with each other, with larger organisms (such as plants, animals, and humans), and with their physical and chemical surroundings.
Ecological collapse refers to a significant and often abrupt breakdown of an ecosystem's structure and function, leading to a dramatic loss of biodiversity and the services that ecosystems provide. This can occur due to a variety of factors, including: 1. **Environmental changes**: These can be natural, such as climate change, volcanic eruptions, or asteroid impacts, or human-induced, like deforestation, pollution, and resource overexploitation.
The Max Planck Institute of Biophysics is a research institution in Germany that focuses on the study of the molecular mechanisms underlying biological processes. It is part of the Max Planck Society, which is a prominent organization dedicated to scientific research across various fields. Founded in 1994 and located in Frankfurt am Main, the institute conducts interdisciplinary research that combines biology, physics, chemistry, and computational methods.
The Kjartansson constant Q model is a geophysical model used in seismic wave propagation studies, particularly in the context of analyzing how seismic waves attenuate as they travel through the Earth. The concept of "constant Q" refers to the quality factor \( Q \), which is a dimensionless parameter that quantifies the damping of seismic waves. It relates to how the energy of the seismic wave decreases as it propagates through different geological materials.
Near-surface geophysics is a branch of geophysics that focuses on the study and characterization of the Earth's shallow subsurface. This field employs various geophysical methods and techniques to investigate geological, hydrogeological, environmental, and engineering issues that occur at or near the Earth's surface, typically within depths ranging from a few centimeters to several hundred meters.
The seismoelectrical method is a geophysical technique that combines seismic and electrical measurements to investigate subsurface structures and materials. This method relies on the principles of electromechanical coupling, where seismic waves induce electrical potentials in the ground. It is particularly useful in various applications such as groundwater exploration, resource assessment, and environmental studies.
Specularity refers to the reflection of light from a surface, particularly in the context of 3D computer graphics and materials science. It describes how shiny or glossy a surface appears and how it reflects light. There are two main components to understanding specularity: 1. **Specular Reflection**: This is the mirror-like reflection of light that occurs when light hits a smooth surface. Specular highlights are the bright spots seen on reflective surfaces, like the shine on a polished metal or a glossy paint.
Tectonophysics is a branch of geophysics that focuses on the study of the Earth's tectonic processes, which include the movement and deformation of the Earth's lithosphere (the rigid outer layer of the Earth). It encompasses the analysis of various geological phenomena associated with tectonic activity, such as earthquakes, mountain building, plate movements, and fault dynamics.
Goldbach's comet is a term associated with a famous unsolved problem in number theory known as Goldbach's conjecture. The conjecture, which dates back to 1742 and is named after the German mathematician Christian Goldbach, asserts that every even integer greater than 2 can be expressed as the sum of two prime numbers. However, "Goldbach's comet" specifically refers to a visual representation used to illustrate the patterns and conjectures related to Goldbach's conjecture.
Deuterium-depleted water (DDW) is water that has a lower concentration of deuterium, a stable isotope of hydrogen, compared to regular water (H2O). In regular water, most of the hydrogen atoms are protium (the most common isotope of hydrogen, with no neutrons), but a small percentage (approximately 0.0156%) are deuterium (D), which has one neutron in addition to the proton.
The Heel effect is a phenomenon observed in radiography, particularly in X-ray imaging. It refers to the variation in the intensity of the X-ray beam that occurs as it passes through the patient and the imaging system, leading to an uneven distribution of radiation across the film or detector. In simpler terms, the Heel effect means that the X-ray intensity is stronger on one side of the image and weaker on the other side.
Medical imaging is a technique used in healthcare to create visual representations of the interior of a body for clinical analysis and medical intervention. It plays a crucial role in diagnosing, monitoring, and treating various medical conditions. Different medical imaging modalities provide unique insights and benefits, and they can be used independently or in conjunction to obtain comprehensive information about a patient's health.
Nuclear pharmacy is a specialized field of pharmacy that focuses on the preparation, dispensing, and safe handling of radiopharmaceuticals—drugs that contain radioactive substances used for diagnosis, treatment, and research in medicine. These radiopharmaceuticals are commonly used in nuclear medicine, a branch of medicine that employs radiotracers to visualize and diagnose diseases, particularly in areas such as oncology, cardiology, and neurology.
Radiation treatment planning is a crucial process in radiation therapy, which is a common treatment for cancer and some other diseases. This planning involves several steps to ensure that the radiation is delivered accurately and effectively while minimizing exposure to surrounding healthy tissues. The primary objectives of radiation treatment planning include: 1. **Patient Simulation**: This involves positioning the patient in a way that reflects how they will be treated during radiation therapy.
As of my last knowledge update in October 2023, there is no widely recognized technology, concept, or product specifically named "Assimitron." It may be a new or niche term that has emerged after that date, or could be a misspelling or variation of a more common term.
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





