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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 -
Autocatalysis
A single chemical reaction is said to have undergone autocatalysis, or be autocatalytic, if the reaction product is itself the catalyst for that reaction. A set of chemical reactions can be said to ... > more -
Levee failures in Greater New Orleans, 2005
In 2005, as a result of Hurricane Katrina, there were extensive failures of the levees and flood walls protecting New Orleans, Louisiana and surrounding communities. There were also extensive ... > more -
Oscillation
Oscillation is the variation, typically in time, of some measure as seen, for example, in a swinging pendulum. The term vibration is sometimes used more narrowly to mean a mechanical oscillation but ... > more -
Fingerprint
A fingerprint is an impression of the friction ridges of all or any part of the finger. A friction ridge is a raised portion of the epidermis on the palmar (palm and fingers) or plantar (sole and ... > more -
Energy and the Environment
Renewable Energy
Solar Energy
Geomagnetic Storms
Environmental Science
Sustainability
Solar power
Solar power (also knows as solar radiation or insolation) is energy from the sun. This energy, in the form of heat and light, supports all life on Earth, drives the Earth's climate and weather and is ... > more -
Flow measurement
Flow measurement is the quantification of bulk fluid or gas movement. Volumetric flow rate is sometimes measured in "standard cubic centimeters per minute" (abbreviation sccm), a unit acceptable for ... > more
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