Friday, August 5, 2016

Bamboo blossom

Bamboo blossom is called it is a natural phenomenoit  When it is seen in any place then it is come with hung and in India and China it is a symbol of curse and starvation
Mechanism-  Bamboos are live for 40 to 80 years and it varies to intervals  Bamboo blossom at long intervals 65 or 120 years. Flowers  produce  fruit after blossom and it is called rice in India and China. In this way bamboo forest dies.   Bamboo forest grows from a single bamboo and dies in a large area. Long interval flowering is 130 years.  Its species name is Phyllostachys  bambusoides. That mechanism is the evolutionary cause of death and a large mystery.
Impact- Bamboo fruiting has a mysterious relationship between economical and epopulations.  These mass fruiting in the forests increases deases and famine in nearby population. It caused the death of the bamboo plants and the local populations loss their house materials . These bamboo fruits consume all grain foods,  stored foods and caused famine. These fruits may carry some dangerous deaseses such as. typhoid,  typhus,  bobunic plage  that can occurs an epidemic form.
Bambusa  balcooa,  Bambusa vulgaris, Dendrocalamus stocksii are these type of bamboo.
Bamboo  flower ( Blossom)

Bamboo flower (Blossom)

Bamboo flower(Blossom)

Wednesday, August 3, 2016

Christopher Colombos

Christopher Colombos  was born before 31 October 1451 in Genoa. He was an Italian navigator, explorer,  colonizer .  He had experienced with four voyages  across the Atlantic ocean. His first voyage was in 1492.  He visited Caribbean coast of Venezuela, Central America. He was not first voyager to Americas and his voyages was first lasting European contact to Americas. He led to  a period of European exploration , colonization and conquest and for several centuries , it was lasted.  For the development of the Western world , these voyages had an enormous impact  in historically. Transatlantic slave trades and genocides were removed by him.
Early life- In Italian , his name was cristoforo Colombo. His father name was Domenico Colombo. He was a middle class wool weaver in Genoa.  Susanna fontanaarose  was his mother,s name. Christopher helped his father at his young age
At his age of 10 , he went to sea.. His family moved to Savona . He supported to conquire  the kingdom of Naples. Colombos  opened a business in 1473. Colombos  learned  Portuguese ,  Latin , Castiastronomy. He acquired more knowledge about history, geography, astronomy
Illness and death- From his first return voyage, affected  with verious types of fevers ,  influenza, gout, plagued and other types of fever , prolonged attacks of gout , bleeding from the eyes. He died on 20 May, in1504 and age of 54 in Valladolid , Spain.

Christopher Colombos 

Christopher Colombos
Christopher Colombos voyage

Saturday, July 30, 2016

Alexandria light house

Ptolemic kingdom  built this light house. It was built between 280 and 247 BC.
Its height between 393 to 450  feet (120 to 137m).
It is the one of the oldest seven wonders. In the world it was one of the tallest man made structures and for many centuries. By three earthquakes it was damaged  between 956 AD to1323 .  Until 1480 it was the third tallest ancient structure in the world. Alexandria city was founded by Alexander the great in 332 BC. Its east side became the great Harbour and its west side  lay on port of Eunostos. 
Construction - The light house was constructed  in 3rd century BC.  It was completed during the second Ptolemy and it took twelve years to complete.   And its cost was 800 talents. At the top its light was produced with a furnace.  It was built by solid lime stone. It was constructed with large  blocks light colored stone. It  has three stages.
Lower square section that has a central core , octagonal section at middle stage, and 
circular section at the top . A mirror was positioned at its appex and during the day  reflected  sunlight.  At night fire was lit.

Alexandria light house

Alexandria light house

Alexandria light house

Wednesday, May 11, 2016

আযান ফুল

এটা আযান  ফুল। এটা প্রত‌িদিন পাচবার ফুট‌ে, ঠিক পাচবার আযান‌ের সময়। আযান শুরু হল‌ে এটা ফুট‌ে আবার শ‌েষ হল‌ে এটা বুজ‌ে যায়।