A language is a systematic system of human communication that includes speech and gestures (spoken language), sign language, and, in certain cases, writing. The most widely spoken languages feature glyph-based writing systems that allow sounds or gestures to be recorded and reactivated
A calendar is a mechanism for keeping track of days. This is accomplished by naming time intervals, which are commonly days, weeks, months, and years. Within such a system, a date is the designation of a single, unique day. A calendar is a physical record of such a system (typically made of paper). A calendar […]
Wireless technology is one important factor in our day to day life right ? But how many of you know the important facts of wireless communication. So, here we discuss those things. Wireless communication is the transfer of data between two or more sites that do not use an electric conductor device as a medium for the […]
Around the sixth or the fifth century BCE coins were introduced as a method of payment. According to Herdots (I, 94), coins were originally introduced by the Lydians, and Aristotle says that the first coins were minted by the King Midas of Phrygia, Demodike of Kyrme. The invention of coins is still in mystery. Numismatists […]
Food is any substance that is consumed in order to provide nutritional support to an organism. Food is typically derived from plants, animals, or fungi and contains essential nutrients such as carbohydrates, fats, proteins, vitamins, and minerals. The substance is consumed by an organism and assimilated by the organism’s cells in order to provide energy, […]
A cyclone is a large scale air mass that rotates counter-clockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere when viewed from above (opposite to an anticyclone). Cyclones are defined by inward spiralling winds that rotate around a low pressure zone. Polar vortices and extratropical cyclones of the largest scale are the largest […]
The precious stone is a mineral crystal, which is used in its cut and polished form in the making of jewellery or other decoration (also known as gem, precious gem, half precious stones). However, some rocks (such as lapis lazuli and opal) and organic materials that are not minerals (such as amber, jet, and pearl) […]
A comet is a small, icy body in the Solar System that warms up and begins to release gases as it approaches the Sun. This process is known as outgassing. This results in a visible coma or atmosphere, as well as a tail in some cases. The effects of solar radiation and the solar wind […]
A tree is a perennial plant with an elongated stem, or trunk, that supports branches and leaves in most species, according to botany. In certain cases, a tree’s meaning can be narrower, encompassing only woody plants with secondary growth, plants that can be used as timber, or plants that are taller than a certain height. […]
A volcano is a break in a planetary-mass object’s crust that allows hot lava, volcanic ash, and gases to emerge from a magma chamber under the surface, such as Earth. For example, divergent tectonic plates cause volcanoes along a mid-oceanic ridge like the Mid-Atlantic Ridge, while convergent tectonic plates cause volcanoes along the Pacific Ring […]