A water-powered car is one of the most attempted inventions in the world.Even though hydrogen is regarded as one of the most efficient alternative fuels, the expense that goes behind producing it is excessively high. As a result, there has always been a need for economic alternative fuels – a need that helped in discovering…
Prof. Henrich Focke, a German inventor, devised the first practical helicopter called the Focke-Wulf Fw 16, which was successfully flown in 1936. By 1938 it set many world records for altitude, speed and flight duration. It could be flown by a pilot after only one hour of pilot briefing.
Alexander Graham Bell was a Scottish-born American inventor famous for the invention of the telephone. He died on August 2, 1922. On the day that Alexander Graham Bell was buried, millions of phones in America and Canada went dead for one minute as a mark of respect for the inventor.
