"Trashing the Planet" is a phrase that typically refers to the widespread environmental degradation and pollution caused by human activity. This can include a range of issues such as deforestation, pollution of air and water, waste management problems, climate change, loss of biodiversity, and the degradation of natural habitats. The phrase emphasizes the negative impact of industrialization, overconsumption, and irresponsible waste disposal practices on the planet's ecosystems.
The Federal Protective Forces (FPF) is a specialized agency within the United States federal government responsible for providing security and protection for federal buildings, employees, and citizens. It operates under the jurisdiction of the Department of Homeland Security (DHS). The FPF's primary mission is to ensure the safety and security of federal facilities and to protect the resources and personnel within those facilities.
"Nuclear Terrorism: The Ultimate Preventable Catastrophe" is a book written by Graham Allison, a prominent scholar and expert on international security, particularly regarding nuclear weapons and terrorism. Published in the early 2000s, the book discusses the significant risks posed by the potential use of nuclear weapons by terrorist organizations. In the book, Allison argues that the threat of nuclear terrorism is one of the most severe challenges facing global security.
The effects of nuclear war are catastrophic and manifold, impacting not only the immediate areas of conflict but also the global community. Here are some major effects to consider: ### Immediate Effects 1. **Blast Wave**: The detonation of a nuclear weapon produces a massive shockwave capable of flattening buildings and causing widespread destruction. 2. **Thermal Radiation**: A nuclear explosion emits intense heat, which can cause severe burns, ignite fires, and lead to firestorms across extensive areas.
The W66 is a type of thermonuclear (fusion) warhead developed by the United States during the Cold War. It was designed primarily for use with the U.S. Navy's Poseidon missile system. Here are some key details about the W66: 1. **Design and Type**: The W66 is a high-yield thermonuclear warhead, which means it uses both fission and fusion processes to produce an explosive yield.
Tactical nuclear weapons are a category of nuclear weapons designed for use on a battlefield or in a limited military conflict. Unlike strategic nuclear weapons, which are intended for large-scale destruction and deterrence against nuclear superpowers (usually targeted at cities or military infrastructure), tactical nuclear weapons are intended for use against enemy forces, military bases, or installations in a more localized context.
De-alerting refers to the process of reducing the readiness or operational status of nuclear weapons, particularly in the context of nuclear arsenals maintained by countries. This can involve measures such as removing warheads from a state of immediate launch readiness, increasing the time required to launch them, or shifting them to more secure locations.
RDS-9 refers to a specific type of nuclear weapon developed by the Soviet Union. It is part of the RDS (Russian: Реактивный Двигатель Степеней, "jet engine of stages") family of nuclear devices. The RDS-9 was designed in the 1950s and was notable for being a variant of the earlier RDS-1, providing an increased yield and efficiency.
As of my last update in October 2023, the United States maintains a stockpile of nuclear warheads as part of its nuclear deterrent strategy. The nuclear arsenal is overseen by the Department of Energy (DOE) and the Department of Defense (DoD). ### Key Points about U.S. Nuclear Warheads: 1. **Stockpile Size**: Estimates suggest that the U.S.
The T-4 Atomic Demolition Munition (ADM) was a type of nuclear weapon developed by the United States during the Cold War. Specifically designed for tactical battlefield use, the T-4 ADM was intended to be a portable nuclear bomb that could be deployed by ground forces to destroy high-value targets, such as enemy fortifications, command structures, or troop concentrations.
Swedish anti-nuclear weapons activists are individuals and organizations in Sweden that oppose the development, deployment, and use of nuclear weapons. These activists often promote disarmament, advocate for peace, and raise awareness about the dangers associated with nuclear armaments. The movement in Sweden has a long history, particularly gaining momentum during the Cold War when fears of nuclear war were prevalent.
The Sjöormen-class submarine is a class of submarines that were operated by the Swedish Navy. These submarines were designed and built in the late 1950s and early 1960s and were in service from the mid-1960s until the early 2000s. The Sjöormen-class submarines were known for their distinctive design, which allowed them to operate effectively in the shallow waters of the Baltic Sea, an operational requirement for the Swedish Navy.
In set theory, the Standard Model typically refers to a well-defined and commonly accepted framework that captures the basic axioms and concepts of set theory.
"Angels and Devils" is a wordplay puzzle game often played with numbers, similar to how one might play "Hangman" with words. The main concept involves identifying numbers based on hints or clues that include references to "Angels" and "Devils," which could refer to characteristics of the numbers, such as parity (even or odd), prime status, or other mathematical properties.
Arakawa grids, named after the Japanese meteorologist Akio Arakawa, are a class of numerical grid systems used in computational fluid dynamics, particularly in the context of weather and climate modeling. They provide a way to discretize the equations governing fluid flow on a sphere, such as the Navier-Stokes equations, which describe the movement of fluids.
Structural analysis is a branch of civil engineering and structural engineering that focuses on the study of structures and their ability to withstand loads and forces. It involves evaluating the effects of various loads (such as gravity, wind, seismic activity, and other environmental factors) on a structure's components, including beams, columns, walls, and foundations. The goal of structural analysis is to ensure that a structure is safe, stable, and capable of performing its intended function without failure.
Minimum polynomial extrapolation is a technique used in numerical analysis and signal processing to estimate values beyond a given set of data points. It involves finding the polynomial of the lowest degree that can accurately interpolate the provided data points, and then using this polynomial to make predictions or extrapolate values outside the range of the known data.
A Lie group integrator is a numerical method used to solve differential equations that arise from systems described by Lie groups. These integrators take advantage of the geometric structure of the problem, particularly the properties of the underlying Lie group, to provide accurate and efficient solutions. ### Key Concepts: 1. **Lie Groups**: A Lie group is a group that is also a smooth manifold, meaning that it has a continuous and differentiable structure.
Ensemble forecasting is a technique used in meteorology and other fields, such as finance and climate modeling, that leverages multiple simulations or models to improve the accuracy and reliability of predictions. The main idea behind ensemble forecasting is to account for uncertainty in the initial conditions and model formulations by creating a range of forecasts rather than a single deterministic forecast.
Probability of precipitation (often abbreviated as PoP) is a meteorological term that represents the likelihood of a certain area receiving measurable precipitation (such as rain, snow, sleet, or hail) over a specified period, usually expressed as a percentage. For example, a PoP of 40% indicates that there is a 40% chance of measurable precipitation occurring in the specified location and time frame.

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