Famous scientists and inventors. Important inventions.

Who was the first to create a submarine?

Perotsky announced his invention in the same magazine

which radiation was developed by Ivan Pulyus

if someone appeared, a bonfire was lit

the waste of which was converted into environmentally friendly fuel

which spare part for the rocket was developed by Korolev

в якому році ігор Сікорський винайшов гелікоптер

Leonard Smirnov developed a method of extracting something from seawater