Arkady Volozh is a notable Russian entrepreneur and businessman, best known as the co-founder of Yandex, one of the largest internet companies in Russia and a prominent search engine. Founded in 1997, Yandex has expanded its services to include various internet-related products and solutions, such as online advertising, e-commerce, cloud services, and more.
The standard unit of acceleration in the International System of Units (SI) is meters per second squared (m/s²). This unit measures how much the velocity of an object changes per second for each second of time. In general, acceleration can be defined as the rate of change of velocity of an object with respect to time.
Hypergravity refers to a condition in which the gravitational force experienced by an object or organism is greater than the standard gravitational force at Earth's surface, which is approximately 9.81 m/s². This increased gravitational force can occur in various contexts, such as in centrifuges, during certain types of physical training, or in specific space missions where artificial gravity is created.
Rashid Sunyaev is a prominent astrophysicist known for his significant contributions to cosmology and astrophysics. Born on March 1, 1943, in Russia, he is best known for his work on the Sunyaev-Zel'dovich effect, which describes the distortion of the cosmic microwave background radiation caused by the passage of the radiation through hot gas, typically found in galaxy clusters.
Viktor Makeyev, whose full name is Viktor Alexanderovich Makeyev, is a notable figure in the field of science, particularly in the realms of mathematics and computer science. He is known for contributions that may involve various theoretical aspects or applications of these domains. However, it is important to verify specific information about his achievements or works, as there might be multiple individuals with similar names or varying levels of recognition in different fields.
Vladimir Belinski does not appear to be a widely recognized figure based on the information available until October 2023. It's possible that you might be referring to a less well-known individual, or the name may have associations in specific contexts such as literature, science, or a different area.
Vladimir Kotelnikov is a prominent Russian engineer and scientist, best known for his contributions to the fields of radio engineering and telecommunications. He is particularly noted for his work in the development of the Kotelnikov theorem, which relates to the sampling of signals, and has fundamental implications for digital signal processing and communications. Kotelnikov's theorem dictates the conditions under which a signal can be accurately reconstructed from its samples, providing a theoretical foundation for the conversion between analog and digital signals.
Sergey Lebedev is a prominent Russian scientist known for his contributions to the fields of mathematics and computer science, particularly in areas related to computational complexity, algorithm theory, and cryptography. His work often involves the theoretical foundations of computing, exploring how algorithms function and their efficiency.
Yuri Ovchinnikov is a Russian biochemist known for his contributions to the field of molecular biology, particularly in the study of the structure and function of proteins and nucleic acids. He has been involved in research that explores the principles of protein synthesis and folding, as well as the mechanisms of enzyme action. Ovchinnikov's work has implications for understanding various biological processes and can contribute to advancements in areas such as biotechnology and medicine.
Yuri Semenov could refer to multiple individuals, but one notable figure is Yuri Semenov, a prominent Russian scientist known for his contributions to fields such as physics, mathematics, or engineering.
The accelerating expansion of the universe refers to the observation that the rate at which the universe is expanding is increasing over time. This discovery is one of the most significant findings in modern cosmology and has profound implications for our understanding of the universe. ### Key Points: 1. **Observed Expansion**: The universe has been expanding since the Big Bang, which occurred approximately 13.8 billion years ago.
Rindler coordinates are a specific set of coordinates used in the context of special relativity and general relativity to describe the perspective of an observer undergoing constant proper acceleration. They are particularly useful for analyzing scenarios involving accelerated frames of reference. In Minkowski space (the spacetime of special relativity), Rindler coordinates are derived from the usual Cartesian coordinates by performing a change of coordinates that reflects the experience of an observer who is accelerating with respect to an inertial observer.
"Sonar" refers to a technology used for detecting and locating objects underwater by using sound waves. The term is an acronym for "Sound Navigation and Ranging." Sonar systems work by emitting sound pulses (or pings) into the water and then measuring the time it takes for the echoes to return after bouncing off objects, such as the sea floor, submarines, or schools of fish.
Centripetal force is the force that acts on an object moving in a circular path, directed towards the center of the circle around which the object is moving. It is the force that keeps the object from flying off in a straight line due to its inertia. The term "centripetal" comes from Latin, meaning "center-seeking.
The number 5 is a natural number that follows 4 and precedes 6. It is an integer, an odd number, and is often used in various contexts such as counting, mathematics, and everyday life. In mathematics, 5 is considered a prime number because it is greater than 1 and has no positive divisors other than 1 and itself. Additionally, it can represent different things in various scenarios, like a rating (e.g.
A G-suit, or gravitational suit, is a type of pressure suit worn by pilots and astronauts to counteract the effects of acceleration forces, particularly during high-speed maneuvers or in higher gravity environments. The primary purpose of a G-suit is to prevent a condition known as "G-induced Loss Of Consciousness" (GLOC), which occurs when blood pools away from the brain due to high G-forces, potentially leading to unconsciousness.
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 2. You can publish local OurBigBook lightweight markup files to either OurBigBook.com or as a static website.Figure 3. Visual Studio Code extension installation.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. - 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