B Sumangal

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All features, stories and articles authored by: B Sumangal


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Why is the Bridge of Sighs so Called?

Why is the Bridge of Sighs so Called?

The Bridge of Sighs (Ponte de Sospiri), is in Venice, Italy, and connects the inquisitor’s room in the east side of the Doge’s palace with the state’s prison or prigioni over the Rio de Palazzo. Work on the Doge’s palace (residence of the Duke) or Palazzo Ducale was begun in the 14th century and got its present shape only by the 16th century. The palace was not only the Doge’s residence and thus contained the inquisitor’s (judge) office, it also housed many other institutions like lawyers offices, the Chancellery, Naval Offices, etc....

How do Nails Grow?

How do Nails Grow?

Put your hands face down and look at the fingernails on your hand. Are they long or short? Dirty? Covered with polish? And the nails on your toes? Are they tearing up your socks? When my nails do that to my socks I know that it is time to get hold of a nail trimmer to cut them down to size. Meanwhile, my sister wants to show hers off. So she spends hours every day polishing her nails endlessly....

What Kind of Horses did Knights Ride?

What Kind of Horses did Knights Ride?

In 1066 AD the Normans (people who came from Normandy in Europe) conquered England and introduced feudalism in England. Feudalism was a system of contract where society was divided into four classes: royalty, barons (noblemen) and bishops, knights (a title or a rank) and lastly peasants. Merchants and artisans were placed just above the peasants. From 1066 to about the 14th century, feudalism developed across Europe. There were no professional armies at that time like we have today....

Who Invented the Photocopying Machine?

Who Invented the Photocopying Machine?

We have all used it at one time or another to copy our school documents, or parts of a book borrowed from the library, or just about anything we wanted a copy of. It’s just a matter of pressing a button of the xerox machine and hey Presto! a piece of paper comes out at one end, an exact duplicate of the document we needed copied! However, when the invention was first patented, nobody wanted anything to do with it....

How Bad is the Sting of a Scorpion?

How Bad is the Sting of a Scorpion?

Ever seen a scorpion scurrying across with two crab-like claws and its tail high in the air? Well this tail is what has to be watched out for! The zing in the scorpion is in its tail for it has a sting. Scorpions are poisonous animals. They are arthropods belonging to the class Arachnida and are relatives of the spiders and ticks. Though they are considered creatures of the desert, you can find them in most climates, hot or cold....

Can Plants be Parasites?

Can Plants be Parasites?

All living things are dependent either on other animals or plants for their food. Animals must constantly go in search of food. But plants remain fixed at one place. Some plants make their own food by using energy from sunlight to convert carbon dioxide from the air and water from the soil to make sugar. Green leaves of the plants contain chlorophyll that carry out this process called photosynthesis. But a large number of plants are unable to produce their own food because of the absence of chlorophyll....

How are Earthquakes Recorded?

How are Earthquakes Recorded?

When an earthquake takes place, people say that it measured 6.2 or 6.5 on the scale. The scale they are referring to is the Richter Scale developed by Charles Richter in the 1930s. The Richter Scale measures the magnitude of the seismic waves or vibrations that travels across the earth’s surface. The scale uses a logarithmic formula using high-frequency data collected from seismograph stations. However, long before Richter developed his scale, a Chinese philosopher Chang Heng invented a device to measure earthquakes in 132 A....

Why was the Berlin Wall Built?

A few tentative steps across Checkpoint Charlie and you were transported to a different world. One side had McDonalds, Coke, Toyota cars and a democratically elected government. Across the Checkpoint, was a world of state-owned factories, rows and rows of identical apartments, and a self-imposed government. This was the world of the two Berlins divided by barbed wire, watch dogs, tanks, and an imposing wall. In 1945, following World War II, Germany was divided into two countries – East Germany and West Germany....

Why Does Time Start in Greenwich?

Why Does Time Start in Greenwich?

Its six in the morning and the sun is streaming through the window of your home in Delhi. In New York, people are just packing up to go home as it is six in the evening! Nothing amazing about it. We know that the earth is round and that it revolves once in 24 hours. So while it is daytime in the east, it is still night in the west. But for ages, people measured time based on the position of the sun – it was noon when the sun was highest in the sky....

Where Did Chess Originate?

Where Did Chess Originate?

Chess originated in India around 7th century AD (around 1400 years ago). The game was then called Chaturanga – chatur meaning four and anga meaning parts. The game comprised the four parts of the army: elephants, horses, chariots and foot soldiers besides the king and his mantri (minister). The game was in fact a battle-plan drawn on a smaller scale, to find out ways and means of outsmarting the enemy. How was it played? In the game, one side of the army had to knock out or capture the opponent’s pieces from the board until the king was captured or ‘checked’, that is, made immobile....

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