"Black Holes and Baby Universes and Other Essays" is a collection of essays and lectures by the renowned theoretical physicist Stephen Hawking. Published in 1993, the book compiles Hawking's thoughts on various topics in cosmology, black holes, the nature of the universe, and the fundamental laws of physics. The essays are intended for a general audience, making complex scientific ideas accessible to laypeople.
"The Large Scale Structure of Space–Time" is a significant work co-authored by physicists Stephen Hawking and G. F. R. Ellis, published in 1973. The book is a comprehensive treatment of the geometry of spacetime in the context of general relativity, focusing on its implications for cosmology and the behavior of the universe on large scales.
Physical Chemistry Chemical Physics (PCCP) is a peer-reviewed scientific journal that publishes research articles covering a wide range of topics at the intersection of physical chemistry and chemical physics. The journal serves as a platform for high-quality, interdisciplinary research that explores fundamental and applied aspects of the physical behavior of chemical systems. The scope of PCCP includes, but is not limited to: 1. Theoretical and computational studies: Research that involves the development and application of theoretical models and computational techniques to understand chemical phenomena.
Superluminal communication refers to the hypothetical transmission of information at speeds faster than the speed of light in a vacuum, which is approximately 299,792 kilometers per second (186,282 miles per second). In the context of physics and special relativity, the speed of light is considered the ultimate speed limit for any matter or information.
The delayed-choice quantum eraser is an experiment that explores the nature of quantum mechanics, particularly the phenomenon of wave-particle duality and the role of measurement in determining the behavior of quantum particles. The concept is an extension of the famous double-slit experiment, which demonstrates that particles such as photons or electrons exhibit both wave-like and particle-like properties.
"Monkey and Hunter" could refer to various concepts depending on the context, but it generally relates to a game, thought experiment, or a particular problem in the realm of mathematics or computer science. One common interpretation is related to the "monkey and hunter problem," which is a type of pursuit problem involving two characters—a monkey and a hunter—where mathematical analysis may be applied to predict the outcomes based on their speeds, directions, and initial positions.
The PLUTO detector, which stands for "Pioneering Lattice Universe for Thriving Observations," is a scientific instrument designed for particle physics research. While there may be various detectors in different contexts, the specific PLUTO you are referring to could be associated with high-energy particle physics experiments, such as those conducted at particle accelerators. In general, particle detectors like PLUTO are used to observe and analyze the products of high-energy collisions, enabling researchers to study fundamental particles and their interactions.
QMAP can refer to different concepts depending on the context. Here are a couple of possible meanings: 1. **Quantitative Molecular Analysis Platform (QMAP)**: This could refer to a scientific tool or software used for analyzing quantitative molecular data. This type of QMAP might be used in fields such as biology, chemistry, or bioinformatics.
The Sagnac effect is a phenomenon observed in rotating reference frames and is particularly significant in the study of relativistic physics. It was first demonstrated by French physicist Georges Sagnac in 1913. The effect occurs when a beam of light is split into two beams that travel in opposite directions around a closed path, such as a loop. If the path is rotating relative to an inertial observer, the two beams will take different amounts of time to complete the circuit.
Test theory, often referred to as psychometric theory or measurement theory, is a framework that focuses on the development, analysis, and interpretation of tests and assessments used to measure psychological constructs, abilities, traits, or behaviors. It encompasses a variety of approaches and methodologies for ensuring that tests are reliable, valid, and fair. Key components of test theory include: 1. **Classical Test Theory (CTT)**: This is one of the earliest and most widely used frameworks.
Tests of special relativity refer to experiments and observations designed to verify the predictions made by Albert Einstein's theory of special relativity, which was published in 1905. Special relativity fundamentally changed our understanding of space and time, introducing concepts such as the constancy of the speed of light, time dilation, length contraction, and the equivalence of mass and energy (E=mc²).
Torricelli's law is a principle in fluid dynamics that describes the speed of fluid flowing out of an orifice under the influence of gravity. It states that the speed (velocity) \( v \) of a fluid flowing out of an opening at the bottom of a tank is proportional to the square root of the height \( h \) of the fluid above the opening.
Cartoon physics refers to the set of exaggerated and often unrealistic physical laws that govern the behavior of characters and objects in animated cartoons. Unlike real-world physics, which follows established principles of motion, gravity, and matter, cartoon physics allows for a more whimsical and imaginative exploration of possibilities. Here are some key characteristics of cartoon physics: 1. **Gravity Defiance**: Characters can ignore the laws of gravity, often floating or running off cliffs without falling until they notice their surroundings.
Faster-than-light (FTL) travel is a common concept in science fiction that refers to the ability to move or communicate faster than the speed of light, which is approximately 299,792 kilometers per second (186,282 miles per second) in a vacuum. In the realm of physics, according to Albert Einstein's theory of relativity, nothing with mass can travel at or exceed the speed of light.
Physics is the natural science that studies matter, energy, and the fundamental forces of nature. It seeks to understand how the universe behaves at both the microscopic and macroscopic levels, encompassing everything from the behavior of subatomic particles to the motion of galaxies. Physics is grounded in mathematics and relies on experimental evidence to validate theories. Major topics within physics include mechanics, electromagnetism, thermodynamics, quantum mechanics, and relativity.
Amazon Timestream is a fully managed time series database service offered by Amazon Web Services (AWS). It is designed specifically to efficiently store, query, and analyze time-series data, which is data that is time-stamped and typically collected over intervals. This type of data is commonly found in various applications, such as IoT (Internet of Things) devices, application logs, financial market data, and performance metrics.
Particle physics journals are scientific publications that focus on the field of particle physics, which studies the fundamental constituents of matter and the forces that govern their interactions. These journals publish original research articles, reviews, and theoretical papers that contribute to the understanding of subatomic particles, such as quarks, leptons, bosons, and the fundamental forces like electromagnetism, weak nuclear force, and strong nuclear force.
*Applied Physics Reviews* is a scientific journal that publishes review articles in the field of applied physics. This journal aims to provide comprehensive and accessible summaries of research developments and advancements in various areas of applied physics, including but not limited to materials science, nanotechnology, optics, electronics, and condensed matter physics. The reviews are intended for researchers, educators, and professionals interested in staying informed about significant trends and insights in applied physics.
Combustion Science and Technology is an interdisciplinary field that studies the process of combustion, which is the chemical reaction of a fuel with an oxidizer (usually oxygen) that produces heat and light. This field encompasses the fundamental principles of combustion, the thermodynamics and kinetics of combustion reactions, the formation and behavior of combustion products, and the engineering applications of combustion processes in various industries.
IEEE Transactions on Antennas and Propagation is a peer-reviewed academic journal published by the Institute of Electrical and Electronics Engineers (IEEE). It focuses on research related to antennas and the propagation of electromagnetic waves. The journal covers a wide range of topics including, but not limited to, the theory, design, and measurement of antennas, propagation models, and the effects of the environment on the performance of antennas.
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





