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Amwoga Khalwale What Is An Element? An element is a pure substance that cannot be decomposed into simpler substances by ordinary chemical processes. Although elements cannot be changed by chemical reactions, new elements may be formed by nuclear reactions. Elements are defined by the number of protons they posses. Atoms of an element all have the same … Read more
Grasshopper The grasshopper is a medium to large sized insect and common in greatest numbers in lowland tropical forests, semiarid regions and grasslands. They are best known for their ability to jump incredible heights and distances. Like all insects, all species of grasshopper have a three-part body that is, head, thorax and the abdomen. They … Read more
Plasmodium vivax Plasmodium vivax is a protozoalparasite and a human pathogen. This parasite is the most frequent and widely distributed cause of recurring malaria. Although it is less virulent than Plasmodium falciparum, the deadliest of the five human malaria parasites, P. vivax malaria infections can lead to severe disease and death, often due to splenomegaly (a pathologically enlarged spleen). P. vivax is carried by the female Anopheles mosquito. P. vivax are … Read more
What Is Plasticizer? Any substance added to a polymer material that can increase the plasticity of a polymer is referred to as a plasticizer. Plasticizers make plastics elastic, extensible, flexible and plastic at low temperatures. Plasticizers are produced by reaction of an alcohol with an acid such as adipic acid, phthalic anhydride and so forth. … Read more
Encoder In Digital Logic An Encoder is a combinational circuit that performs the reverse operation of Decoder. It has maximum of 2n input lines and ‘n’ output lines, hence it encodes the information from 2n inputs into an n-bit code. It will produce a binary code equivalent to the input, which is active high. Therefore, … Read more
Himalayan Rivers The Himalayan region is known as the water tower of Asia. The four main Himalayan Rivers are the Indus, the Ganga, Barak and the Brahmaputra. These rivers are long and are joined by many tributaries from the Himalayan region especially from Bhutan and Nepal. The major Himalayan Rivers rise north of the mountain … Read more
What Is Star Connection? In star connection, one end of all the three wires are connected to a common point in the shape of Y, such that all the three ends of the three wires form the three phases and the common point forms the neutral. Star connection is preferred for long distance power transmission … Read more
What Is A Virtual Function? A virtual function is a member function within the base class that we redefine in a derived class. It is declared using the virtual keyword. When a class containing virtual function is inherited, the derived class redefines the virtual function to suit its own needs. Virtual function ensure that the … Read more
Grafting and budding are horticultural techniques used to join parts from two or more plants so that they appear to grow as a single plant. Grafting and budding are the most widely used vegetative propagation methods. In grafting, the upper part (scion) of the plant grows on the root system (rootstock) of another plant whereas … Read more
Pixies and fairies are both mythical creatures often found in folklore and fantasy literature. While they share some similarities, they also have different characteristics. In this article let us differentiate pixies from fairies in the context of their origins, appearances, behaviors and cultural significance. In this context, it important to remember that both pixies and … Read more