Browse Reference Articles
21 to 30 of 344 articles
-
Fossil fuel
Fossil fuels are hydrocarbons, primarily coal, fuel oil or natural gas, formed from the remains of dead plants and animals. In common dialogue, the term fossil fuel also includes ... > more -
Multistage rocket
A multistage (or multi-stage) rocket is, like any rocket, propelled by the recoil pressure of the burning gases it emits as it burns fuel. What characterizes it as "multi-stage" is that it ... > more -
Oil refinery
An oil refinery is an industrial process plant where crude oil is processed and refined into useful petroleum products. Raw oil or unprocessed ("crude") oil is not very useful in the form it comes in ... > more -
Oxidizing agent
An oxidizing agent (also called an oxidizer or oxidant) is referred to as a chemical compound that readily transfers oxygen atoms or a substance that gains electrons in a redox chemical reaction. ... > more -
Water turbine
A water turbine is a rotary engine that takes energy from moving water. Water turbines were developed in the nineteenth century and were widely used for industrial power prior to electrical grids. ... > more -
Hydrogen-like atom
Hydrogen-like atoms (or hydrogenic atoms) are atoms with one single electron. Like the hydrogen atom, hydrogen-like atoms are one of the few quantum mechanical problems which can be exactly ... > more -
Energy and the Environment
Renewable Energy
Environmental Science
Energy Technology
Sustainability
Solar Energy
Renewable energy
Renewable energy (sources) or RES capture their energy from existing flows of energy, from on-going natural processes, such as sunshine, wind, flowing water, biological processes, and geothermal heat ... > more -
Automobile emissions control
Automobile emissions control covers all the technologies that are employed to reduce the air pollution-causing emissions produced by ... > more
Search ScienceDaily
Number of stories in archives: 137,426

