Transportation
Carfree city
A car free city is a population center that relies primarily on public transport, walking, or cycling for transport within…
Energy efficiency
Efficient energy use, sometimes simply called energy efficiency, is the goal to reduce the amount of energy required to provide…
Space tourism
Space tourism is space travel for recreational, leisure or business purposes. There are several different types of space tourism, including…
Roman technology
Roman technology is the collection of techniques, skills, methods, processes, and engineering practices utilized and developed by the civilization of…
Rail travel
Rail travel includes everything from heritage steam trains to high-speed bullet trains, from sightseeing or dinner trains to the convenience…
Nautical tourism
Nautical tourism is tourism that combines sailing and boating with vacation and holiday activities. It can be travelling from port…
Tourism on the Moon
Lunar tourism may be possible in the future if trips to the Moon are made available to a private audience.…
Zip-line
A zip-line (or zip line, zipline, Sypline, zip wire, aerial runway, aerial ropeslide, death slide, flying fox, or, in South…
Navigation
Navigation is a field of study that focuses on the process of monitoring and controlling the movement of a craft…
Hitchhiking guide
Hitchhiking is one of the cheapest ways of traveling. By tradition, hitchhiking is defined as soliciting a ride by standing…