Single Instruction, Multiple Threads (SIMT) is a parallel computing architecture used primarily in graphics processing units (GPUs) and other such highly parallel computing environments. SIMT is closely related to Single Instruction, Multiple Data (SIMD), but with a key distinction that allows for more flexibility in thread execution. Here’s a breakdown of the key concepts: ### SIMT Characteristics: 1. **Single Instruction**: In SIMT, a single instruction is issued to multiple threads for execution.
The term "digital manifold" can refer to several concepts depending on the context in which it is used, particularly in fields like mathematics, computer science, and data science. Here's a brief overview of its usage: 1. **Mathematics and Geometry**: In mathematical terms, a manifold is a topological space that locally resembles Euclidean space. A "digital manifold" can refer to a discrete approximation of these structures, often used in computational geometry.
Women cryptographers are female individuals who have made significant contributions to the field of cryptography, which is the study and practice of techniques for securing communication and information from adversarial parties. Throughout history, numerous women have played vital roles in the development of cryptographic methods, the breaking of codes, and the advancement of secure communication technologies. Some notable women in cryptography include: 1. **Elizebeth Smith Friedman**: A pioneer in the field, she worked on cryptanalysis for the U.S.
Acoustic cryptanalysis is a technique used to extract cryptographic keys from devices by analyzing the sounds they make during operations. This method capitalizes on the acoustic emissions that result from electronic device activities, such as key presses on a keyboard or the operations of a computer's processor. The basic premise of acoustic cryptanalysis is that when a device performs cryptographic operations, it may generate subtle sounds that can reveal information about the keys being used.
A Birthday attack is a type of cryptographic attack that takes advantage of the mathematics behind the birthday problem in probability theory. It has implications for various cryptographic algorithms, particularly those that involve hash functions. ### How the Birthday Attack Works: 1. **Birthday Paradox**: The birthday problem refers to the counterintuitive probability that in a group of people, the chance that at least two people share a birthday is surprisingly high, even for a small group.
Vladimir Solovyov (1853–1900) was a prominent Russian philosopher, theologian, and poet known for his significant contributions to the fields of philosophy and religious thought. He is often regarded as a central figure in Russian religious philosophy and is known for his attempts to synthesize various philosophical and theological ideas, particularly those stemming from Orthodox Christianity.
Vasile Pogor was a Romanian writer, teacher, and politician, primarily known for his contributions to Romanian literature and his role in the cultural life of the 19th century. He was associated with various literary movements and was known for his involvement in the development of Romanian prose and poetry. His works often reflect the social and political issues of his time, and he played a part in the Romanian national renaissance.
A correlation attack is a type of statistical attack that is commonly used in cryptanalysis to exploit weaknesses in cryptographic algorithms, particularly those that involve block ciphers or stream ciphers. The fundamental idea behind a correlation attack is to take advantage of the statistical relationships between certain input and output variables. In simpler terms, the attacker looks for patterns in the encrypted data and attempts to correlate these patterns with the plaintext (the original unencrypted data) to recover secret keys or uncover sensitive information.
CryptoLocker is a type of ransomware that was first identified in September 2013. It targets Windows-based machines and is known for encrypting the files on infected systems, making them inaccessible to users until a ransom is paid to the attackers. Typically, it spreads through phishing emails containing infected attachments or links, as well as through compromised websites and malicious downloads. When CryptoLocker infects a computer, it encrypts files such as documents, photos, and other important data using strong encryption algorithms.
FREAK, which stands for "Factoring RSA Export Keys," is a vulnerability that was discovered in certain implementations of SSL/TLS protocols. It was revealed in March 2015 and allowed attackers to exploit weak encryption that was used in some older systems, particularly those that employed export-grade cryptography. The vulnerability specifically targeted systems that accepted export-grade ciphers, which were designed to comply with U.S. regulations limiting the strength of encryption that could be exported overseas.
Partitioning cryptanalysis is a technique used in the analysis of cryptographic algorithms, particularly symmetric key ciphers. It involves dividing the problem of breaking the cipher into smaller, manageable parts or "partitions." This method allows cryptanalysts to focus on specific subsets of plaintext, ciphertext, or keys, making it easier to identify patterns, weaknesses, or relationships that can be exploited to recover the key or plaintext without having to brute force the entire keyspace.
Password cracking is the process of attempting to gain unauthorized access to a computer system, account, or network by guessing or breaking the password that secures it. Attackers use various methods and tools to retrieve or infer passwords, often exploiting weak or common passwords, poor password storage practices, or security vulnerabilities. Here are some common techniques used in password cracking: 1. **Brute Force Attack**: This method involves systematically trying every possible combination of characters until the correct password is found.
SciEngines GmbH is a technology company based in Germany that specializes in developing high-performance computing solutions, primarily focused on hardware and software for scientific and engineering applications. The company is known for its expertise in providing customized solutions for accelerating computation-intensive tasks, particularly in fields like computational fluid dynamics, molecular simulations, and data analysis. One of their notable products is a series of hardware accelerators designed to enhance the performance of simulations and complex calculations.
"Thought and World" can refer to the relationship between cognitive processes and the external reality. In philosophy, particularly in contexts like metaphysics and epistemology, this relationship is a central theme. Scholars often explore how our thoughts, perceptions, and beliefs correlate with, represent, or can even distort the world around us.
Émile Littré (1801–1881) was a French philosopher, lexicographer, and physician best known for his contributions to the French language through the creation of the "Dictionnaire de la langue française" (Dictionary of the French Language). His dictionary, first published in 1863, is notable for its emphasis on literary and historical quotations and for providing context for the usage of words, making it a significant work in lexicography.
The nature of mind is a complex and multifaceted topic that has been explored in various fields, including philosophy, psychology, neuroscience, and spirituality. Here are several perspectives on the nature of mind: 1. **Philosophical Perspective**: - **Dualism**: Some philosophers, like René Descartes, contend that the mind and body are distinct entities. This view posits that the mind is not reducible to physical processes.
Direct experience refers to firsthand involvement or engagement in an event, activity, or situation. It contrasts with indirect experience, which involves learning about something through observation, reading, or hearing from others rather than participating in it directly. Direct experience often provides deeper insights and a more nuanced understanding because it involves personal interaction and emotional engagement. For example, if someone travels to a country and interacts with its culture and people, they have direct experience of that culture.
Naïve realism is a philosophical concept that refers to the belief that the world is exactly as we perceive it through our senses. This perspective posits that our perceptions of reality are straightforward and that our sensory experiences directly correspond to the external world. In other words, naively realistic individuals would argue that if something appears a certain way to them—like a tree looking green, or a surface appearing smooth—then it is that way, independent of any observer's perspective or interpretation.
Stunnel is an open-source software application that provides a secure transport layer for networked communications through the use of SSL/TLS encryption. It essentially acts as a proxy, allowing non-SSL/TLS aware clients and servers to communicate securely over the Internet. Here are some key features and functionalities of Stunnel: 1. **SSL/TLS Encryption**: Stunnel wraps regular unencrypted protocols (like HTTP, SMTP, POP3, etc.) in SSL/TLS encryption, providing secure data transmission.
"Android epistemology" is not a widely recognized or established term in philosophy or technology. However, it may refer to the exploration of knowledge and understanding as it pertains to androids or artificial beings, particularly in the context of artificial intelligence and robotics. In a broader sense, epistemology is the study of knowledge—its nature, sources, and limits.

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