Who is the engineer and inventor of the noise reduction system known as Dolby NR and a co-inventor of video tape recording while at Ampex?
The ans is - Ray Dolby
The two older brothers of Alfred Nobel, Swedish chemist, engineer, inventor, businessman, and philanthropist, built up an empire called Branobel based on what?
Robert Mallet, a Victorian geophysicist, engineer and inventor, conducted a controlled experiment on a beach in southern Ireland as part of his seminal work in studying what and creating the science of what?