"Space by year" usually refers to significant events and milestones in space exploration and astronomy organized chronologically. Here's an overview of some notable events in space history, year by year: ### 20th Century - **1957**: The Soviet Union launched **Sputnik 1**, the first artificial satellite. - **1961**: Yuri Gagarin became the first human to travel into space aboard **Vostok 1**.
There are many television series that explore themes related to outer space. Here are some notable ones: 1. **Star Trek** (various series) - This iconic franchise includes multiple series like "Star Trek: The Original Series," "Star Trek: The Next Generation," "Star Trek: Deep Space Nine," "Star Trek: Voyager," and "Star Trek: Discovery." Each series explores space exploration, diplomacy, and various alien cultures.
Abdul Hameed Nayyar is a prominent Pakistani physicist and educator, known for his contributions to the field of science as well as his advocacy for educational and social issues in Pakistan. He has been involved in various initiatives to promote scientific research and education in the country. Nayyar is also recognized for his critiques of governmental policies regarding education and science in Pakistan and has often participated in public discourse on these topics.
Marine Isotope Stage 13 (MIS 13) is a specific period in Earth's geological history that occurred during the Pleistocene epoch. It is part of a series of glacial and interglacial periods that are characterized by changes in Earth's climate and ice volume over time, as recorded in deep-sea sediment cores and ice cores. MIS 13 is generally dated to around 480,000 to 450,000 years ago.
The DUMAND Project, which stands for Deep Underground Muon and Neutrino Detection, was an ambitious scientific endeavor aimed at detecting neutrinos and studying their properties. The project was designed to deploy a large detector deep underwater in the Pacific Ocean, specifically near the Hawaiian Islands. The primary goal of the DUMAND Project was to explore high-energy astrophysical neutrinos, which originate from cosmic sources such as supernovae, gamma-ray bursts, and other energetic phenomena in the universe.
Soudan 1 is a mining site located in Minnesota, USA, known for its historical significance related to iron ore mining. The site, part of the Mesabi Iron Range, was formerly home to the Soudan Underground Mine State Park, which is notable for being Minnesota's first iron ore mine, opening in 1882. The mine itself is famous for producing high-grade iron ore and contributed significantly to the development of the iron and steel industry in the United States.
A magneto-optical trap (MOT) is a device used in atomic physics to cool and trap neutral atoms using laser light and magnetic fields. The principle behind a MOT combines the effects of laser cooling and magnetic confinement to achieve a gas of atoms at very low temperatures, typically close to absolute zero. ### Key Components: 1. **Laser Cooling:** - The MOT utilizes multiple laser beams that are tuned slightly below the atomic resonance frequency.
The International Components for Unicode (ICU) is a set of open-source software libraries and tools that provide robust and full-featured Unicode and Globalization support for software applications. It is developed by the Unicode Consortium and is widely used in various programming environments to handle internationalization (i18n) and localization (l10n) of applications.
The wedge symbol (∧) is commonly used in mathematics and logic, particularly in the context of operations and expressions. Here are a few of its common uses: 1. **Logic**: In propositional logic, the wedge symbol represents the logical conjunction operation, which is equivalent to the word "and.
Aristotelian realist philosophy of mathematics refers to a perspective on the nature of mathematical entities and their existence, heavily influenced by the ideas of Aristotle and his metaphysical framework. This point of view stands in contrast to other philosophical positions such as Platonism, nominalism, and formalism.
SNARK, which stands for "Succinct Non-interactive ARguments of Knowledge," is a cryptographic proof system that allows one party (the prover) to convince another party (the verifier) that a statement is true without disclosing any additional information regarding the statement itself. This is particularly useful in contexts where privacy and efficiency are critical.
A Schwarz function, also known as a "test function" in the context of distribution theory, is a smooth function that rapidly decreases at infinity along with all its derivatives. More formally, a function \( f: \mathbb{R}^n \to \mathbb{R} \) is called a Schwarz function if it satisfies the following conditions: 1. \( f \) is infinitely differentiable (i.e., \( f \in C^\infty \)).
"Logical harmony" isn't a widely recognized term in established academic or philosophical discourse, but it can be interpreted in a couple of broad contexts: 1. **Philosophical Context**: In philosophy, logical harmony might refer to the consistency and coherence of logical arguments or systems of thought. It's the idea that different premises, conclusions, and propositions should work together without contradiction. This aligns with classical logic principles, where a valid argument should not have conflicting premises.
Psychologism is a philosophical position that asserts that psychological processes and experiences are foundational to understanding knowledge, logic, and mathematics. This view suggests that the principles of logic or mathematics are rooted in the way human beings think and perceive the world, rather than being purely abstract or objective truths independent of human cognition.
The Quine–Putnam indispensability argument is a philosophical argument concerning the existence of mathematical entities, particularly in the context of the debate between realism and anti-realism in the philosophy of mathematics. The argument is named after philosophers Willard Van Orman Quine and Hilary Putnam, who advanced these ideas in the latter half of the 20th century.
Fictional physicists are characters in literature, film, television, and other forms of media who are portrayed as experts in the field of physics. They may be central characters or supporting roles and are often depicted as conducting research, solving complex problems, or engaging in scientific adventures. These characters can be used to explore scientific concepts, the implications of advanced technology, or the ethical considerations of scientific discoveries. Some well-known fictional physicists include: 1. **Dr.
Quasiparticles are collective excitations that emerge in many-body systems, particularly in condensed matter physics. They can be thought of as "particles" that arise from the interactions of many particles, and they can have properties that differ significantly from those of the individual particles that constitute the system. Here’s a list of some common types of quasiparticles: 1. **Phonons**: Quasiparticles representing quantized lattice vibrations in a solid.
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





