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Electricity
Electricity is a property of matter that results from the presence or movement of electric charge. Together with magnetism, it constitutes the fundamental interaction known as electromagnetism. ... > more -
Space elevator
A space elevator is a theoretical structure designed to transport material from a planet's surface into space. Many different types of space elevators have been proposed. They all share the goal of ... > more -
Technology
Technology is a broad term dealing with the use and knowledge of humanity's tools and crafts. For scientists and engineers, technologies are: conceptual tools - as methods, methodologies, techniques; ... > more -
Energy conservation
Energy conservation is the practice of reducing the use of energy in order to increase national security, personal security, save money, be more comfortable and/or help clean the ... > more -
Nuclear fusion
In physics, nuclear fusion is the process by which multiple nuclei join together to form a heavier nucleus. It is accompanied by the release or absorption of energy depending on the masses of the ... > more -
Battery electric vehicle
A battery electric vehicle (BEV) is an electric vehicle that utilises chemical energy that is stored in rechargeable battery packs. Electric vehicles use electric motors instead of, or in addition ... > more -
Newton's cradle
Newton's cradle or Newton's balls, named after Sir Isaac Newton is a device that demonstrates conservation of momentum and energy. It is constructed from a series of pendulums (usually five in ... > more
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