The timeline of meteorology showcases the evolution of the science of weather and climate observation, theory, and prediction. Here’s a simplified timeline highlighting key developments: ### Ancient and Classical Periods: - **Ancient Civilizations**: Early weather observations can be found in ancient Egypt, Mesopotamia, Greece, and China, where people began to notice and record weather patterns for agricultural purposes.
The Experiment on Rapidly Intensifying Cyclones over the Atlantic (ERIC) is a research initiative aimed at improving the understanding and prediction of rapidly intensifying hurricanes (tropical cyclones) in the Atlantic Ocean. Rapid intensification is defined as a substantial increase in a cyclone's maximum sustained winds over a short period, often leading to significant impacts when these storms make landfall.
Computer by Ciro Santilli 40 Updated 2025-07-16
The artistic instrument that enables the ultimate art: coding, See also: Section "The art of programming".
Much more useful than instruments used in inferior arts, such as pianos or paintbrushes.
Unlike other humans, computers are mindless slaves that do exactly what they are told to, except for occasional cosmic ray bit flips. Until they take over the world that is.
Video 1.
A computer is the equivalent of a bicycle for our minds by Steve Jobs (1980)
Source. Likely an excerpt from an interview done for a documentary in 1980. TODO exact source.
Video 2.
Steve Jobs talking about the Internet (1995)
Source.
The web is incredibly exciting, because it is the fulfillment of a lot of our dreams, that the computer would ultimately primarily not be a device for computation, but [sic] metamorphisize into a device for communication.
also:
Secondly it exciting because Microsoft doesn't own it, and therefore there is a tremendous amount of innovation happening.
then he talks about the impending role for online sales. Amazon incoming.
Computers basically have two applications:
Generally, the smaller a computer, the more it gets used for communication rather than computing.
The early computers were large and expensive, and basically only used for computing. E.g. ENIAC was used for calculating ballistic tables.
Communication only came later, and it was not obvious to people at first how incredibly important that role would be.
This is also well illustrated in the documentary Glory of the Geeks. Full interview at: www.youtube.com/watch?v=TRZAJY23xio. It is apparently known as the "Lost Interview" and it was by Cringely himself: www.youtube.com/watch?v=bfgwCFrU7dI for his Triumph of the Nerds documentary.
Number partitioning is a problem in combinatorial mathematics and computer science that involves dividing a set of integers into two or more subsets such that certain conditions are met. The most common form of the problem involves partitioning a set of integers into two subsets that have equal sums, known as the "Partition Problem." The Partition Problem can be formally defined as follows: Given a set of integers, can it be divided into two subsets such that the sum of the elements in each subset is equal?
Athol Rafter is not a widely recognized term or concept in popular culture, science, or any major field as of my last update in October 2023. It might refer to a specific person, a company, a product, or even a niche reference that isn't broadly known.
Nuclear energy in China refers to the use of nuclear reactors to generate electricity, which is part of the country's broader strategy to diversify its energy sources, meet growing electricity demands, and reduce greenhouse gas emissions. As of my last knowledge update in October 2023, here are some key points about nuclear energy in China: 1. **Capacity and Generation**: China has been rapidly expanding its nuclear power capacity.
The history of nuclear weapons is a complex narrative that spans several decades, filled with scientific breakthroughs, political decisions, and ethical debates. Here's a broad overview: ### Early Discoveries 1. **Late 19th Century - Early 20th Century**: The scientific foundation for nuclear weapons began with the discovery of radioactivity. Key figures such as Henri Becquerel, Marie Curie, and Ernest Rutherford made significant contributions to understanding atomic structure.
"Material unaccounted for" (MUF) typically refers to a discrepancy in the accounting or inventory records of physical materials, often in contexts such as manufacturing, logistics, or environmental management. This term is commonly used in sectors like nuclear materials management, where accurate accounting of materials is critical for safety and regulatory compliance.
The New Look policy refers to a significant shift in the foreign policy of the United States under the administration of President Dwight D. Eisenhower, which lasted from the early 1950s to the early 1960s. The policy was announced in 1953 and aimed to reshape American foreign relations in response to the changing global landscape during the Cold War.
The Energy Research and Development Administration (ERDA) was a U.S. government agency established in 1974. Its primary purpose was to oversee the nation's energy research and development efforts, focusing on various energy sources and technologies, including nuclear energy, renewable energy, fossil fuels, and energy conservation. ERDA was created in response to the energy crisis of the early 1970s, with the aim of coordinating the government's energy research to address national energy needs and security.
MRI sequences are specific protocols used in magnetic resonance imaging (MRI) to manipulate the magnetic and radiofrequency fields to create images of the body. Each sequence is designed to highlight different types of tissues and provide varying information about their characteristics. The choice of MRI sequence can affect the contrast, resolution, and overall quality of the images produced.
Arterial Spin Labeling (ASL) is a non-invasive magnetic resonance imaging (MRI) technique used to measure cerebral blood flow (CBF) in the brain. Unlike traditional methods that require contrast agents, ASL uses the magnetic properties of arterial blood water as a tracer. Here’s a brief overview of how it works and its applications: ### How ASL Works 1.
Uranyl acetate is a chemical compound with the formula (UO₂)C₂H₃O₂₂. It consists of a uranyl ion (UO₂²⁺) combined with two acetate anions (C₂H₃O₂⁻). This compound appears as a yellow crystalline solid and is commonly used in various applications, particularly in the fields of chemistry and biology.
Plutonium(IV) oxide, also known as plutonium dioxide, has the chemical formula PuO₂. It is a black or dark brown crystalline solid that is one of the oxides of the actinide element plutonium. In plutonium(IV) oxide, plutonium is in the +4 oxidation state.
Uranium tetrachloride, also known by its chemical formula \( \text{UCl}_4 \), is a chemical compound of uranium and chlorine. It is typically a greenish-yellow or yellowish solid that can exist in various forms, including hydrated versions.
Alpha Nu Sigma is a national honor society that recognizes and promotes academic excellence in the field of science and offers a platform for undergraduate students to engage in scientific research and scholarship. Membership is typically awarded to undergraduate students who demonstrate outstanding academic performance in the sciences. The society encourages involvement in scientific research, provides networking opportunities, and may also engage in community service and outreach activities related to science.
Radioactive nanoparticles are tiny particles that contain radioactive materials and have dimensions typically in the nanoscale range (1 to 100 nanometers). These particles can be composed of various materials, including metals, oxides, or other compounds, and are designed to harness the properties of radioactivity for various applications.
Radioimmunodetection (RID) is a diagnostic technique that combines the principles of radioimmunology and imaging to identify and localize specific antigens in tissues or cells using radiolabeled antibodies. This method is primarily used in the field of oncology to detect cancerous tissues based on the presence of specific tumor markers or antigens. In RID, antibodies that are specific to the target antigen are labeled with a radioactive isotope.
Technetium (99mTc) votumumab is a radiolabeled monoclonal antibody used in medical imaging, particularly in the context of nuclear medicine for the diagnostic assessment of certain cancers.
The World Nuclear Transport Institute (WNTI) is an international organization dedicated to promoting the safe, secure, and efficient transport of nuclear materials. Established in 2001, WNTI serves as a forum for stakeholders involved in nuclear transport, including companies, regulatory bodies, and academic institutions. The key objectives of WNTI include: 1. **Safety and Security**: Enhancing the standards and practices related to the transport of nuclear materials to ensure the highest levels of safety and security.

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