Supersonic business jets (SSBJs) are a class of aircraft designed for private or corporate aviation that can travel faster than the speed of sound, typically at speeds greater than Mach 1 (1,125 kilometers per hour or 700 miles per hour at sea level). These jets aim to reduce travel times significantly, enabling business travelers to reach their destinations much more quickly compared to subsonic jets. **Key Features of Supersonic Business Jets:** 1.

Concorde was a turbojet-powered supersonic passenger airliner that was operated from 1976 until 2003. It was a joint project between British Aircraft Corporation (BAC) and Aérospatiale of France. Known for its distinctive design, characterized by its pointed nose that could be drooped for improved visibility during takeoff and landing, Concorde was capable of cruising at over twice the speed of sound, typically around Mach 2.04.

High Speed Civil Transport (HSCT) refers to advanced concepts in aviation technology aimed at developing faster, more efficient commercial aircraft that can operate at speeds significantly higher than those of conventional commercial jets. The term often encompasses both the technological innovations required to achieve high-speed travel—such as supersonic and hypersonic flight—and the economic, regulatory, and environmental considerations that come with it.

The Tupolev Tu-244 is a proposed supersonic airliner that was designed by the Tupolev design bureau in the late 1980s and early 1990s. It was intended to be a Russian counterpart to the Concorde and the Boeing 2707. The Tu-244 was envisioned as a commercial aircraft capable of carrying passengers at speeds greater than the speed of sound, effectively reducing travel times on long-haul routes.

The car-free movement is a global initiative aimed at reducing reliance on automobiles in urban areas and promoting alternative forms of transportation. It encourages walking, cycling, public transit, and other sustainable modes of transportation to improve air quality, reduce traffic congestion, and promote healthier lifestyles. The movement advocates for the development of pedestrian-friendly infrastructure, green spaces, and policies that discourage car usage, such as congestion charges, car-free days, and the creation of car-free zones.

Rail transport refers to the movement of passengers and goods using vehicles that run on rail tracks. This mode of transport is characterized by the use of trains, which can include freight trains, passenger trains, subways, and light rail systems. Rail transport is considered an efficient and environmentally friendly means of transportation, particularly for long distances and large volumes of cargo.

Shared transport refers to a transportation model where multiple users share the same vehicle or transport service, often for convenience, cost savings, or environmental reasons. This concept encompasses various modes of transport, including: 1. **Carpooling/Ridesharing**: Individuals use a single vehicle to travel to a common destination, reducing the number of vehicles on the road. Services like Uber and Lyft also facilitate ridesharing.

Chariot was a transportation company that aimed to provide a commuter shuttle service using a network of shuttles in urban areas. Founded in 2014, the company focused on offering an alternative to traditional public transportation and ride-sharing services, often targeting employees commuting to and from work. Chariot's service operated with a model that allowed riders to reserve seats on shuttles running along fixed routes, with trips typically designed to cater to the needs of commuters.

Cyclability typically refers to the quality and measure of how conducive a place is for cycling. It encompasses various factors that influence the ease, safety, and enjoyment of biking in a given area. Key components of cyclability include: 1. **Infrastructure**: Availability of bike lanes, bike paths, bike parking, and bike-sharing programs. 2. **Safety**: The degree to which cyclists feel safe from traffic, including measures like traffic calming, signage, and lighting.

As of my last knowledge update in October 2023, GreenXC does not refer to a widely recognized company, concept, or initiative. However, it could potentially be a brand name or project related to sustainability, electric vehicles, or eco-friendly practices, as "Green" typically signifies an environmental focus.

"Green Wheel" can refer to various concepts depending on the context, including environmental initiatives, sustainability projects, or specific products. Here are a few interpretations of the term: 1. **Sustainable Transport Initiatives**: The term might refer to an initiative aimed at promoting eco-friendly transportation options, such as cycling or electric vehicles. 2. **Environmental Education**: A program or tool designed to educate individuals or organizations about sustainability practices, renewable energy, and reducing carbon footprints.

The A3W reactor, also known as the A3W (Aqueous 3-Phase Water) reactor, was a nuclear reactor design developed by the United States for use in naval propulsion systems, specifically in submarines and aircraft carriers. The A3W reactor is a pressurized water reactor (PWR) that was utilized in nuclear-powered submarines, such as those in the Los Angeles-class series.

Gareth Loy is a prominent figure in the field of music, particularly known for his work in computer music and music technology. He has contributed to various aspects of music composition, analysis, and performance using technology. Loy is also known for his writings and academic work, which often focus on the intersection of music, technology, and perception. He has authored books and articles that explore the theoretical foundations of music and sound, as well as practical applications in electronic music.

"Road stubs" may refer to unfinished or partially constructed road segments that extend from a developed road but do not connect to any other road or destination. These are often seen in urban and suburban planning when there are plans for further development that may not have been realized yet. Road stubs can also serve as placeholders for future infrastructure, allowing for easier connections when new roads or developments are built.

"Roadkill" generally refers to animals that have been struck and killed by vehicles on roads or highways. It can also denote the remains of these animals found along the roadside. The term is often used in discussions about wildlife conservation, road safety, and environmental impact, particularly concerning the effects of roads on local animal populations. In a cultural context, "Roadkill" may also refer to various media, including movies, music, and video games, often using the term metaphorically or for shock value.

Shipping, often referred to as maritime transport, is a crucial component of global trade and logistics, responsible for moving goods across oceans and waterways. However, it has significant environmental impacts that have garnered increasing attention. Here are some key aspects of shipping and its relationship with the environment: ### Environmental Impacts of Shipping 1.

The "road-effect zone" refers to the area surrounding a road where various ecological impacts occur due to road infrastructure and traffic. These impacts can affect wildlife, plant communities, and overall ecosystem function. The road-effect zone can extend several meters to kilometers away from the road, depending on factors such as traffic volume, road type, and local environmental conditions.

"Transport by continent" generally refers to the various modes and systems of transportation that are prevalent or developed in different continents around the world. Each continent has its own unique infrastructure, challenges, and technologies related to transport. Here's an overview of transport systems commonly found in each continent: ### Africa - **Road Transport**: Often characterized by a mix of paved and unpaved roads; bus and matatu services are common in urban and rural areas.

"Vehicles by media" typically refers to how different types of vehicles are represented or depicted across various forms of media outlets. This can encompass a wide variety of areas including: 1. **Film and Television**: The portrayal of vehicles in movies and shows, such as iconic cars in action films or the design of futuristic transport in sci-fi series. 2. **Video Games**: The design and functionality of vehicles within video games, which can range from realistic driving simulations to fantastical flying machines.

Rail transport by time refers to the historical development and evolution of railways and train services over various periods. This encompasses the technological advancements, economic impacts, cultural significance, and social changes associated with rail transport. Here’s a brief overview of significant milestones in rail transport history: ### 19th Century - **1825**: The world's first public railway, the Stockton and Darlington Railway, opened in England.