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One or more self-propelled vehicles that move along fixed rails to transport passengers, animals or cargo

Theoretical class of AI able to perform any intelligence-based task a human can

Security as a condition is the degree of resistance to, or protection from, harm. It applies to any vulnerable and valuable asset, such as a person, dwelling, community, nation, or organization. Establishing or maintaining a sufficient degree of security is the aim of the work, structures, and processes called

An aircraft is a machine that is able to fly by gaining support from the air, or, in general, the atmosphere of a planet. It counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines. The human activity that surrounds aircraft is called aviation. Crewed aircraft are flown by an onboard pilot, but unmanned aerial vehicles may be remotely controlled or self-controlled by onboard computers.

An investor is someone who allocates capital with the expectation of a financial return. The types of investments include, — gambling and speculation, equity, debt securities, real estate, currency, commodity, derivatives such as put and call options, etc. This definition makes no distinction between those in the primary and secondary markets. That is, someone who provides a business with capital and someone who buys a stock are both investors.

Air pollution is the introduction into the atmosphere of chemicals, particulates, or biological materials that cause discomfort, disease, or death to humans, damage other living organisms such as food crops, or damage the natural environment or built environment. The atmosphere is a complex dynamic natural gaseous system that is essential to support life on planet Earth.

Everything weve written about Airbnb. Since its founding in 2008, Airbnb has been disrupting the industry interesting with its peer-to-peer platform that allows users to find and rent lodging privately. The company is based in San Francisco.

Astronomical object so massive that anything falling into it, including light, cannot escape its gravity

Innovation is the development of new values through solutions that meet new requirements, inarticulate needs, or old customer and market needs in value adding new ways. This is accomplished through more effective products, processes, services, technologies, or ideas that are readily available to markets, governments, and society.

A robot is a mechanical or virtual artificial agent, usually an electro-mechanical machine that is guided by a computer program or electronic circuitry. Robots can be autonomous or semi-autonomous and range from humanoids such as Hondas Advanced Step in Innovative Mobility (ASIMO) and TOSYs TOSY Ping Pong Playing Robot (TOPIO) to industrial robots, collectively programmed swarm robots, and even microscopic nano robots. By mimicking a lifelike appearance or automating movements, a robot may conve...