Many bird lovers are interested to know about the difference between Purple Sunbird vs Purple-rumped Sunbird. Both are tiny and colorful birds. In this post, we will try to...
How did Andrew Carnegie make his fortune? Andrew Carnegie was a famous American iron master, manufacturer, and philanthropist. He was born in Dunfermline, Scotland,...
Thomas Carlyle was a famous Scottish critic, philosopher, and historian. He was born at Ecclefechan, Dumfriesshire, on 4 December 1795. A leading Victorian writer,...
History of Sonar, an Underwater Listening Device
On January 9, 1917, Kaiser Wilhelm II of Germany gave the order for unrestricted submarine warfare to commence....
John Ericsson (1803–1899) was a Swedish-American inventor and engineer, famous for the iron-clad monitor. He was not a man of any invention or unknown...