Who invented the first practical helicopter and when?
Prof. Henrich Focke, a German inventor, devised the first practical helicopter called the Focke-Wulf Fw 16, which was successfully flown...
Professor
How the great scientist J.C. Bose fought discrimination and won
Jagadish Chandra Bose as a professor of Physics at Presidency College, Kolkata, was offered a salary substantially lower than his...
