The Rockies and Alps are fold mountains which were formed due to the pushing up of the tectonic plates. This event happened about 30 to 40 million years ago. The dinosaurs roamed the Earth more than 65 million years ago, many million years before the existence of the Rockies or the Alps.
Cusec is a method of measuring the flow rate of liquids. One cusec is 1 cubic foot per second. It means a volume of water 1 foot high, 1 foot wide and 1 foot long travelling a distance of 1 foot in 1 second. One cusec is equivalent to 0.028317 cubic metre per second. Mostly…
Plankton is a tiny organism found in the sea. A group of plankton named ‘coccolithophores’ comprises the chalk forming organisms. These organisms are microscopic and have shells made of lime. About 100 million years ago, during the Cretaceous period, these planktons settled down on the sea bed after death and formed lime mud. Subsequent layers…
The bar code was invented by Joseph Woodland and Bernard Silver in 1948. It was designed as a ‘bulls eye’ symbol comprising concentric circles. The initial idea of the bar code was to use it as a method for classifying grocery products. In 1970 a standard was set for all products and the Universal Grocery Products…
The Angel Falls is located in the Venezuela. It is named after Jimmie Angel, a US aviator who was the first to fly over the falls in a plane. The waterfall has a height of 979 m, which is almost a kilometre. It is estimated that each drop of water takes 14 seconds to fall…
The animal life on earth has seen at least five major mass extinctions in the millions of years of its existence. A noteworthy period of mass extinctions is the Permian-Triassic extinction event that occurred about 252 million years ago. The event saw the extinction of about 96 per cent of the marine life and 70…
