An unforeseen chain of events due to an act affecting a system, much like how a waterfall cascades down, is called cascade effect. Cascade effects are commonly visualised in tree structures called event trees.
Read More »What is a cantenna?
Cantenna stands for Can + Antenna. To increase the range of communication, an amateur radio enthusiast attempted to use a tin can of potato chips as a directional element in addition to a basic yagi antenna operating at 2.4 GHz frequency. This helped in directing more transmit power towards the receiver, thereby improving the communication range. As this method was …
Read More »What is a cameo?
A cameo is an engraved gem on which the subject or figure is carved in relief on a stone or other material which provides two layers of color, such as chalcedony, onyx and shell. One color forms the background while the design is cut out of the other. Finished cameos are often mounted as brooches. Favourite subjects are portraits and …
Read More »What is a Bunsen burner?
A Bunsen burner is a gas burner consisting of a tube with a small gas jet at the lower end and adjustable air inlet by means of which the heat of the flame can be controlled. It is used in laboratories and produces a hot non-luminous flame it the air and gas mixture is about three parts air to one …
Read More »What is a buckyball?
A buckyball or fullerene is a very newly found allotrope of carbon. Buckyball is a carbon molecule structure (C60) shaped like a hollow sphere. Also called fullerene (buckminsterfullerene), it is composed of carbon atoms. Spherical fullerenes are called buckyballs whereas cylindrical ones are called buckytubes. Harold Kroto, Richard Smalley, James Heath and Robert Curl discovered (C60) at Rice University. It …
Read More »What is a boomburb?
A boomburb is a booming suburb or satellite townships dreamt up by developers. It gives an idea of wealth, a boom. Boomburg is a similar term. These suburbs are usually not complete towns – though they are self-sufficient. Learn More Boomburb is a neologism for a large, rapidly growing city that remains essentially suburban in character even as it reaches …
Read More »What is a bonobo?
The bonobo (Pan paniscus) is a great ape most closely related to the chimpanzee. It lives in a remote rain-forest region of central Africa, and was only identified as a species in 1933. Often referred to as the pygmy chimpanzee the body weight of the bonobo is, on average, the same or slightly less than that of the eastern common …
Read More »What is a blind hole?
A blind hole refers to a hole that is reamed, drilled, or milled to a specified depth, thus without breaking through to the other side of the workpiece. The etymology is that it is not possible to see through a blind hole. Other types of holes also include through holes, and clearance holes. In this instance blind may also refer …
Read More »What is a banana bond?
A chemical bond is the phenomenon of chemical species like atoms held together by electrostatic or electronic forces. Of the several types of chemical bonds, a special type exists in the molecule of boron hydride BH3 which exists as a dimer B2H6 molecule. It contains two types of hydrogen atoms. Four hydrogen atoms are of one type, which are used …
Read More »What is a 120-cell?
A 120-cell is a finite regular four-dimensional polytope with the schlafli symbol 5,3,3 . It is also known as hyperdodecahedron or hecatonicosachorn and is composed of 120 docahedra, hence it is known as 120-cell. The 120-cell has 600 vertices, 720 pentagons and 11,200 edges. It is one of the six regular polychora.
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