"Real Time" is an art series created by renowned artist and filmmaker Hito Steyerl. The series examines the role of technology, digital culture, and contemporary media in shaping our perception of reality. Through a combination of video installations, essays, and lectures, Steyerl explores themes such as surveillance, capitalism, and the impact of digital connectivity on personal and collective experiences.
A slave clock is a type of clock that receives time signals from a master clock and is used to display the same time as the master. It does not have its own timekeeping mechanism but relies on the master clock to maintain accuracy. Slave clocks are commonly found in various settings, such as schools, offices, and public spaces, where it's important to have synchronized time displays.
Westminster Quarters is a musical composition that consists of a set of four short melodic phrases. It is most commonly associated with the chimes of Big Ben, the clock tower located at the north end of the Palace of Westminster in London. The tune is used to mark the quarter hours, with each segment of the melody corresponding to a specific time: 1. The first phrase chimes at the quarter hour. 2. The second phrase chimes at the half hour.
The term "dry pasta line" typically refers to a production line or manufacturing process specifically designed to produce dry pasta. In pasta manufacturing, the process involves several key steps, including mixing ingredients (primarily semolina flour and water), extruding the pasta into various shapes, and then drying it to remove moisture so that it can be stored and transported without spoiling.
A strength tester machine is a device used to evaluate the mechanical properties of materials and components by measuring their strength and other related characteristics. These machines are commonly employed in industries such as construction, manufacturing, and material science to assess how materials behave under various forms of stress, including tensile strength, compressive strength, shear strength, and flexural strength.
Rotating machines are devices that convert energy into mechanical work through the rotation of a shaft. They play a crucial role in various applications across industries, including power generation, manufacturing, and transportation. Rotating machines typically rely on electromagnetic, mechanical, or thermal principles. **Common Types of Rotating Machines:** 1. **Electric Motors**: Convert electrical energy into mechanical energy. They come in various types, including AC (alternating current) and DC (direct current) motors.
A priority seat refers to seating designated for specific passengers who may need it more than others, such as elderly individuals, pregnant women, people with disabilities, or those with young children. These seats are often marked with distinctive signage and may be found in public transportation systems, including buses, trains, and trams. The purpose of priority seating is to ensure that vulnerable populations have a safe and comfortable space to sit during their journeys.
Transport policy refers to the framework of decisions, regulations, and guidelines established by governments or organizations to manage and regulate transportation systems and services. It encompasses the planning, development, and operation of various modes of transport, including road, rail, air, and maritime transport. The primary goals of transport policy typically include: 1. **Safety**: Ensuring the safety of all transport users and minimizing accidents and fatalities.
Liquid metal typically refers to metallic substances that are in a liquid state, commonly due to being heated above their melting points. One of the most well-known examples is mercury, which is liquid at room temperature. Liquid metals also include alloys that can achieve a liquid state at certain temperatures.
Sealcoat is a protective sealant applied to asphalt surfaces, such as driveways and parking lots. Its primary purpose is to enhance the durability and appearance of asphalt by providing a barrier against environmental elements, including water, UV rays, oils, and chemicals, which can break down the asphalt over time. Sealcoating can help prevent cracks and potholes, extend the lifespan of the asphalt, and improve the overall aesthetic by giving the surface a uniform black finish.
Burmese amber, also known as Burmite, is a type of fossilized tree resin that is found primarily in Myanmar (formerly known as Burma). This amber is notable for its age, with estimates placing it at around 99 million years old, dating back to the Cretaceous period. It is renowned for its preservation of ancient life forms, including a wide variety of inclusions such as insects, spiders, and plant material, making it valuable for both collectors and scientific research.
The Escucha Formation is a geological formation located in northern Spain, primarily in the region of Aragón. It is known for its sedimentary rock layers that date back to the Late Cretaceous period, which is approximately 100 to 66 million years ago. The formation is composed of a variety of rock types, including sandstone, siltstone, and claystone, and it is notable for its rich fossil content, which includes various types of marine and terrestrial organisms.
Grand Unification Energy (often referred to as the Grand Unification Scale) refers to the energy scale at which the strong, weak, and electromagnetic forces become unified into a single force within the framework of theoretical physics, particularly in Grand Unified Theories (GUTs). These theories propose that the three fundamental forces observed at lower energies merge into one force at extremely high energy levels.
Supergravity is a theoretical framework in physics that combines the principles of supersymmetry (SUSY) and general relativity. It is a type of gauge theory that extends the standard theories of gravity by incorporating additional symmetries that relate bosons (force-carrying particles) and fermions (matter particles).
The Wu experiment refers to a key scientific experiment conducted by physicist Chien-Shiung Wu in the 1950s that provided crucial evidence for the theory of parity violation in weak interactions. In the Wu experiment, which took place in 1956, Wu and her colleagues studied the beta decay of cobalt-60 (\(^{60}\)Co).
The Hybrid-pi model is an important conceptual and analytical framework used in the field of electronics, particularly in the analysis of bipolar junction transistors (BJTs) and, to some extent, field-effect transistors (FETs). It represents the transistor using a small-signal equivalent circuit that simplifies the analysis of its behavior in response to small variations in voltage and current around a bias point (operating point). ### Components of the Hybrid-pi Model 1.
The term "transistor diode model" can refer to a specific representation of a transistor's behavior using diode-like characteristics, particularly in the context of small-signal analysis or simplification of circuit models. Here's a breakdown of the concept: ### Transistor Basics A transistor is a semiconductor device used for amplification and switching. Bipolar junction transistors (BJTs) and field-effect transistors (FETs) are the two main types of transistors.
Tim Staffell is a British musician, best known as a singer, songwriter, and musician. He was a member of the band Smile, which was formed in the late 1960s and included future Queen members Freddie Mercury and Roger Taylor. Staffell's tenure with Smile was relatively brief, and he left the band before they eventually transitioned into Queen.

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