Volume 2 "From colossus to robots" tells about the major inventions of Russian engineers and inventors in mechanics, electrical engineering, electronics, radio engineering and computer engineering - those areas of knowledge, the development of which ultimately led to the creation of automation, robotics, space exploration... The 2nd book of this collection includes essays about Benardos and Slavyanov, Lodygin, Popov, Losev, Shukhov, Lebedev, Kataev and Zvorykin.