A list of trolleybus systems includes cities and regions around the world that use trolleybuses as part of their public transportation network. Trolleybuses are electric buses that draw power from dual overhead wires, allowing them to operate in a similar manner to trams or streetcars while maintaining the flexibility of buses. Here are some notable trolleybus systems: ### North America - **San Francisco, California** - Known for its iconic trolleybuses and extensive system.
A list of transport megaprojects includes large-scale infrastructure projects that typically involve significant investment, planning, and development efforts aimed at improving transportation systems. These projects can include the construction of roads, bridges, tunnels, railways, airports, and ports. They are often characterized by their scale, complexity, and economic impact.
A list of roller coaster elements includes the various features and maneuvers that can be found on roller coasters. These elements contribute to the ride's thrills and sensations. Here's a list of some common roller coaster elements: 1. **Vertical Loop**: A circular inversion where the train passes upside down. 2. **Corkscrew**: A spiral element that twists the train around sideways while it turns upside down.
Public transport smart cards are electronic payment cards that can be used to access various modes of public transportation, such as buses, trains, and subways. They are typically loaded with funds or linked to a bank account, allowing users to tap or swipe the card for easy payment. Here's a list of notable public transport smart cards from around the world: 1. **Oyster Card** - London, UK 2. **MetroCard** - New York City, USA 3.
The term "List of proposed future transport" generally refers to various transportation projects, technologies, and infrastructure plans that are being discussed, designed, or developed with the aim of improving transportation systems in the future. These proposals may include innovations in public transit, road systems, rail transportation, air travel, and even space travel.
Here's a list of various types of professional drivers, each specializing in different fields or industries: 1. **Trucking/Freight Drivers**: - **Long-Haul Truck Drivers**: Transport goods over long distances, often crossing state or national borders. - **Local Delivery Drivers**: Deliver goods within a specific local area. - **Owner-Operators**: Truck drivers who own their trucks and run their own businesses.
A list of pedestrian zones refers to specific areas in cities or towns where motor vehicles are restricted or banned, allowing pedestrians to walk freely and safely. These zones are often established to enhance safety, reduce air pollution, promote tourism, and encourage social interactions. Pedestrian zones can vary in size and duration (some may be permanent while others may be temporary or seasonal) and may include shopping streets, plazas, parks, or entire neighborhoods.
Here's a list of some notable mainland settlements around the world that are known to be inaccessible by road, often requiring alternative means of transportation such as boats, ferries, or planes: 1. **Hydra, Greece** - An island in the Aegean Sea, known for its absence of cars. 2. **Carcasonne, France** - While accessible by road, certain areas within the medieval walled city are not.
Car-free islands are locations where the use of motor vehicles is restricted or completely prohibited, often to preserve the environment, reduce pollution, and maintain a peaceful atmosphere. Here’s a list of some well-known car-free islands around the world: 1. **Venice, Italy** - While technically a city rather than an island, Venice is famous for its canals and the absence of cars. Transportation is primarily by foot or boat.
Here's a list of notable bicycle brands and manufacturing companies from around the world. This list includes various types of bicycle brands, encompassing road bikes, mountain bikes, hybrid bikes, and more: ### Major Bicycle Brands 1. **Trek** 2. **Specialized** 3. **Giant** 4. **Cannondale** 5. **Bianchi** 6. **Scott** 7. **Marin** 8. **Surly** 9. **Santa Cruz** 10.
Here’s a list of some notable BMX bicycle manufacturers: 1. **Haro Bikes** - Known for their strong presence in BMX racing and freestyle. 2. **Mongoose** - A well-known brand with a long history in BMX. 3. **GT Bicycles** - Offers a variety of BMX bikes, particularly in the racing segment. 4. **Diamondback** - Produces BMX bikes along with other types of bicycles. 5. **Fit Bike Co.
"Lists of vehicles" generally refers to organized collections or categories of various types of vehicles. These lists can include different classifications, such as: 1. **By Type**: - Cars - Trucks - Motorcycles - Buses - Vans - Bicycles - Trains - Boats - Aircraft 2.
Lists of tunnels refer to organized collections or catalogs of tunnels located around the world, typically grouped by certain criteria, such as geography, purpose, or construction date. These lists may include various types of tunnels, such as: 1. **Transportation Tunnels**: Used for roads, railways, and subways (e.g., the Channel Tunnel, the Gotthard Base Tunnel). 2. **Hydraulic Tunnels**: Designed for water supply, drainage, or irrigation purposes (e.g.

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 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.
  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