“War tuba”, known as Imperial Japanese Army acoustic locators, was used by Japanese to locate enemy aircraft, before the invention of radar. [Read more…] about What was named “war tuba”?
radar
10 uncredited inventions of Nikola Tesla
Nikola Tesla was by most accounts the greatest inventor of his era, and maybe of modern history. He was Although you probably have heard about him, you might not know the kinds of inventions he pioneered but are misattributed to other inventors most of the times. [Read more…] about 10 uncredited inventions of Nikola Tesla