Mostafa Ahmadi Roshan was an Iranian nuclear scientist who was involved in Iran's nuclear program. He was born on December 21, 1980, and became known for his role in the development of nuclear technology in Iran. Ahmadi Roshan was a sharp proponent of Iran's nuclear ambitions, advocating for its peaceful use as a means of energy production. He was assassinated on January 11, 2012, in Tehran.
The Agreed Framework was a diplomatic agreement reached between the United States and North Korea in 1994. The primary goal of the framework was to halt North Korea's nuclear weapons program in exchange for aid and cooperation from the United States and its allies. Key components of the Agreed Framework included: 1. **Nuclear Freeze**: North Korea agreed to freeze its nuclear program, including the suspension of operations at the Yongbyon nuclear reactor and related facilities.
The Six-Party Talks were a series of multilateral negotiations aimed at addressing North Korea's nuclear weapons program. The talks included six parties: North Korea, South Korea, the United States, China, Japan, and Russia. They were initiated in 2003 and aimed to find a peaceful resolution to the nuclear issue through diplomatic means.
Nuclear energy companies are organizations that engage in the development, construction, operation, and maintenance of nuclear power plants, as well as the research and development of nuclear technology. These companies may work in various aspects of the nuclear energy sector, including: 1. **Nuclear Power Generation**: Companies that operate nuclear reactors to generate electricity. These plants use nuclear fission to produce heat, which then generates steam to drive turbines.
The Bernstein–Vazirani algorithm is a quantum algorithm that solves a specific problem faster than any classical algorithm. It was introduced by Ethan Bernstein and Umesh Vazirani in 1993 and is particularly noteworthy because it showcases the potential power of quantum computation over classical methods.
The Hidden Linear Function Problem (HLFP) is a problem of interest in computational learning theory and theoretical computer science. It is primarily concerned with learning a secret linear function that relates inputs to outputs, where the function itself is not disclosed to the learner.
The blue color in flowers is due to a complex interplay of pigments, cellular structures, and environmental factors. Here's an overview of the basics of blue flower coloration: ### 1. **Pigments:** - **Anthocyanins:** The primary pigments responsible for blue coloration are anthocyanins—a class of flavonoids. These pigments can appear red, purple, or blue depending on their pH and the presence of metal ions.
"The Time Traveler's Wife" is a novel written by Audrey Niffenegger, published in 2003. The story revolves around the relationship between Henry DeTamble, a man with a genetic disorder that causes him to time travel unpredictably, and Clare Abshire, an artist who is deeply in love with him. The narrative unfolds in a non-linear fashion, reflecting Henry's time traveling experiences as he moves back and forth through different moments in his life.
Quantum Experiments using Satellite Technology (QuEST) refers to a series of experimental efforts aimed at leveraging satellite technology to advance our understanding and application of quantum mechanics, particularly in the realm of quantum communication and quantum key distribution (QKD). Key components of QuEST include: 1. **Quantum Key Distribution (QKD)**: One of the primary applications of quantum experiments in satellite technology is to enable secure communication through QKD.
A bound state refers to a physical condition in which a particle or system is confined within a potential well or region, resulting in a stable arrangement where it cannot escape to infinity. This concept is prevalent in quantum mechanics, atomic physics, and certain areas of particle physics. ### Key Characteristics of Bound States: 1. **Energy Levels**: In a bound state, the energy of the system is quantized.
A no-go theorem is a type of result in theoretical physics and mathematics that demonstrates that certain types of solutions to a problem or certain physical theories cannot exist under specified conditions. These theorems are often used to impose limitations on what is theoretically possible, thus ruling out various physical models or approaches.
The terms "on-shell" and "off-shell" primarily arise in the context of quantum field theory and theoretical physics, specifically in the analysis of particles and their interactions. ### On-Shell - **Definition**: A state or a particle is said to be "on-shell" if it satisfies the physical equations of motion, typically the energy-momentum relation derived from the theory.
In the context of physics, regularization refers to a set of techniques used to deal with the problems that arise in theoretical models and calculations, particularly when these models lead to infinities or singularities. While "regularization" is often discussed in the context of mathematics and computer science, its principles are crucial in physics, especially in fields such as quantum field theory and statistical mechanics.
AQUA@home is a distributed computing project that focuses on simulating molecular systems in order to study and understand the behavior of water and other molecules at the atomic level. It is part of the broader BOINC (Berkeley Open Infrastructure for Network Computing) platform, which allows volunteers to contribute their computer's processing power to scientific research projects. The project primarily aims to explore the properties of water, including its unique behavior, molecular dynamics, and hydration effects in various chemical and biological contexts.
The Fundamental Fysiks Group is a collective of individuals who explore and promote ideas that merge scientific inquiry with spiritual or philosophical concepts. It is often associated with figures like physicist Fred Alan Wolf, who connects quantum physics with consciousness and metaphysical ideas. The group is known for its unconventional approach to science, suggesting that fundamental physics can provide insights into human consciousness and experiences.
Quantum cloning refers to the process of creating an identical copy of a quantum state. In classical computing, copying data is straightforward; however, quantum mechanics imposes fundamental limitations on this process due to the principles of superposition and entanglement. The No-Cloning Theorem is a key principle in quantum mechanics that states it is impossible to create an identical copy of an arbitrary unknown quantum state. This theorem has significant implications for quantum computing, quantum cryptography, and quantum information theory.
Quantum lithography is an advanced technique in quantum optics and nanofabrication that utilizes the principles of quantum mechanics to improve the resolution of lithographic processes beyond classical limits. Traditional lithography techniques, which are widely used in semiconductor manufacturing and microfabrication, rely on classical light (photons) to create patterns on a substrate. However, these methods are usually limited by the diffraction limit of light, which restricts the smallest features that can be effectively produced.
Time-bin encoding is a method used in quantum communication and other fields to encode information using discrete time intervals, or "bins." This technique is particularly significant in quantum optics and quantum information processing, where the timing of photon arrival is crucial for transmitting data effectively and securely. Here's a breakdown of how time-bin encoding works: 1. **Time Intervals**: The basic idea is to divide a time period into several distinct intervals or bins.
The Choi–Jamiołkowski isomorphism is a mathematical correspondence between linear operators on quantum states and certain types of bipartite quantum states. Specifically, it establishes a connection between completely positive maps and density operators in finite dimensions, which is crucial in the context of quantum physics and quantum information theory.
The no-hiding theorem is a result from quantum information theory that emphasizes the limitations of quantum states in terms of their ability to hide or conceal information. Specifically, it states that if a quantum state is entangled with a system, that state cannot be completely hidden from the local observer who has access to one part of the entangled system.

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 5. . 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.
  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