Safe Routes to School (SRTS) is a program aimed at making it safer and easier for students to walk and bike to school. The initiative seeks to encourage more children to use these active modes of transportation by addressing barriers to walking and biking, such as traffic safety, roadway design, and community awareness.
There are several insightful books that cover the history of American civil engineering, exploring key developments, influential figures, and landmark projects. Here are some notable titles you may find interesting: 1. **"The Great Bridge: The Epic Story of the Building of the Brooklyn Bridge" by David McCullough** - This book provides a detailed narrative of the construction of the Brooklyn Bridge, highlighting both the engineering challenges and the human stories involved.
The history of the automobile is a complex tale that spans several centuries, intertwining advancements in technology, engineering, and societal changes. Here are some key milestones in the development of the automobile: ### Early Concepts and Inventions (17th - 19th Century) - **17th Century:** Early concepts of self-propelled vehicles were proposed, including ideas by inventors like Giovanni Branca, who designed a steam-powered carriage.
The history of transport varies widely by country, reflecting each nation's unique geographic, economic, and cultural circumstances. Here’s a brief overview of the history of transport in several key regions around the world: ### 1. **United States** - **Pre-Colonial and Colonial Era:** Native Americans used canoes, walking paths, and animal trails. European settlers developed roads primarily for horse-drawn carriages.
"Icebreakers" can refer to different things depending on the context. Here are a few common meanings: 1. **Social Activities**: Icebreakers are interactive activities or games designed to help people get to know each other and reduce tension in social settings, such as workshops, meetings, or team-building exercises. They often involve questions, fun challenges, or group activities.
Transport in the Middle Ages refers to the various methods and systems used for the movement of people, goods, and animals during the medieval period, roughly from the 5th to the late 15th century. The transport methods were crucial for trade, military logistics, and everyday travel, and they varied widely depending on geography, available technology, and societal needs.
Transport strikes refer to work stoppages organized by workers in the transportation sector, such as bus, train, airline, or shipping employees, to protest against working conditions, wage disputes, job cuts, or other labor-related issues. These strikes can disrupt public and freight transport, leading to significant inconveniences for commuters and businesses. Transport strikes can take various forms, including: 1. **General Strikes:** Where workers from multiple transport sectors stop work simultaneously.
An ice scraper is a tool used to remove ice, frost, or snow from surfaces, typically from vehicle windshields and windows. It usually consists of a flat, rigid blade attached to a handle. Ice scrapers can be made from various materials, such as plastic, metal, or rubber, and come in different sizes and shapes. Some are designed specifically for removing ice, while others may have a dual function as a snow brush.
A car shuttle train, often referred to as a "car train," is a type of transport service that carries vehicles (like cars, trucks, or buses) across a specific distance via rail. This service is commonly used for transporting vehicles when driving them would be impractical, lengthy, or expensive. Here are some key features of car shuttle trains: 1. **Vehicle Transport**: These trains are designed specifically to transport vehicles.
Kombiverkehr is a German company specializing in intermodal transport solutions, particularly in combining road and rail transport for freight. Founded in 1969, it plays a significant role in enhancing the efficiency of logistics by facilitating the seamless transfer of goods between different modes of transport. The company's services often include the transportation of shipping containers, trailers, and larger freight items across Europe, enabling businesses to reduce transport costs and environmental impact by leveraging the strengths of both rail and road.
The Vogelfluglinie, which translates to "Bird Flight Line" in English, is a popular scenic route that connects the German mainland to the Danish island of Funen. The name refers to the route taken by birds in migration, emphasizing the idea of a straightforward path across water, similar to how birds might fly. The route spans approximately 160 kilometers and includes a ferry crossing between Puttgarden in Germany and Rødbyhavn in Denmark.
Warkworth & District Museum is a local museum located in Warkworth, New Zealand. It serves to preserve and showcase the history and heritage of the Warkworth area and its surrounding districts. The museum typically features a range of exhibits that highlight various aspects of local history, including early European settlement, Maori heritage, and the development of the region over time. The museum might include artifacts, photographs, documents, and displays related to the local community, agriculture, industry, and cultural history.
"Glass stubs" can refer to several contexts depending on the field in which it is used. Here are a few possibilities: 1. **Laboratory Equipment**: In a laboratory setting, glass stubs may refer to small glass structures used for mounting samples for microscopic examination. These stubs are typically coated with a conductive material for electron microscopy.
The history of glass dates back thousands of years and reflects the evolution of technology, art, and culture across various civilizations. Here’s an overview of its development through time: ### Ancient Beginnings (Circa 3500 BCE) - **Mesopotamia and Egypt:** The earliest known glass artifacts date back to around 3500 BCE in Mesopotamia and Egypt. These early forms were primarily used for making small beads and ornamental objects rather than for containers or windows.
Composite glass, often referred to as laminated glass or composite glazing, is a type of glass that combines two or more layers of glass with an interlayer material, typically polyvinyl butyral (PVB) or ethylene-vinyl acetate (EVA). This combination creates a stronger, safer, and more versatile product compared to standard glass.
Nanochannel glass materials refer to a type of glass that contains nanometer-sized channels or pores within its structure. These channels are typically less than 100 nanometers in diameter and are created through techniques such as ion exchange, etching, or sol-gel processes. The unique properties of nanochannel glass arise from its nanoscale architecture, which can influence how substances move through the material and enhance its surface characteristics.
Transparent wood composite is an innovative material that combines the properties of wood and transparency, achieved through a series of processes that modify the natural structure of wood. This composite material has gained attention for its potential applications in areas such as construction, renewable energy, and optical devices. The process typically involves the following steps: 1. **Delignification**: The natural lignin present in wood, which gives it color and opacity, is removed chemically or through a series of treatments.
The term "chameleon particle" is used in theoretical physics to describe a hypothetical type of particle that could explain certain phenomena related to dark energy and the accelerated expansion of the universe. The concept arises primarily within the context of modified gravity theories and scalar field theories. Chameleon particles are characterized by their unique property of changing their mass depending on the local density of matter.
Exotic matter is a hypothetical form of matter that possesses properties not found in the ordinary matter that makes up the universe. It is often discussed in the context of advanced theoretical physics, particularly in areas like cosmology and theoretical constructs such as wormholes and warp drives. Some of the notable characteristics and possibilities associated with exotic matter include: 1. **Negative Mass or Negative Energy Density**: Exotic matter may have negative mass, meaning that it would behave in ways that defy our conventional understanding of physics.
The Kodama state is a specific type of quantum entanglement associated with certain kinds of quantum systems, particularly in the context of condensed matter physics and quantum information. It is named after the physicist S. Kodama, who studied its properties. In general terms, the Kodama state can refer to a state in which quantum entanglement plays a crucial role, often leading to intriguing phenomena such as topological order or emergent properties in many-body systems.

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