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What is an artificial coral?

Corals are porous marine animals that live at the bottom of the ocean. Coral attaches to a strong foundation and then grows to create a coral reef. Corals are naturally vibrant and colourful. An artificial coral reef is a human-made underwater structure, typically built for the purpose of promoting marine life. Artificial reefs also improve hydrodynamics and help control beach …

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What is an AMOLED display?

The term AMOLED stands for Active Matrix Organic Light Emitting Diode/ Device/ Display. An Organic Light Emitting Diode (OLED), also Light Emitting Polymer (LEP) and Organic Electro Luminescence (OEL), is any Light Emitting Diode (LED) whose emissive electroluminescent layer is composed of a film of organic compounds. The layer usually contains a polymer substance that allows suitable organic compounds to …

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What is an aMap?

An aMap (argument map) is a visual representation of the structure of an argument in informal logic. It includes the components of an argument such as a main contention, premises, co-premises, objections, rebuttals and lemmas. Argument maps are often used in the teaching of reasoning and critical thinking and can support the analysis of pros and cons when deliberating over …

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What is an alchemist?

An alchemist was an early student of the science of chemistry. According to one theory the word “alchemy” is derived from “Khem”, the ancient name for Egypt. That country was the source of a great deal of the pioneer work in the various sciences. Much of the early work of the alchemists is frowned on by today’s scientists because it …

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What is an adobe?

In Peru, where I come from, an adobe is a brick made of mud mixed with other material such as cane, straw and stone to give consistency. It is dried in the sun. The adobe provides a cool atmosphere to buildings. In Peru, many archaeological places used this material, like the Huaca del Sol, a pre-Columbian construction in Trujillo, which …

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What is albedo?

The albedo of an object is the extent to which it diffusely reflects light from the Sun. It is a more specific form of reflectivity. Albedo is the ratio of the diffusely reflected to incident electromagnetic radiation. It is a unitless measure indicative of a surface’s or a body’s diffuse reflectivity. Albedo is a Latin word for whiteness. The range …

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