Inventions What Enrico Fermi invented? Cyclotron Betatron X ray machine Nuclear reactor Cyclotron Betatron X ray machine Nuclear reactor ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bifocal Lens? Alfred B. Nobel Rudolf Diesel Benjamin Franklin Thomas Alva Edison Alfred B. Nobel Rudolf Diesel Benjamin Franklin Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin? Telegraph Television Radio Dishwasher Telegraph Television Radio Dishwasher ANSWER DOWNLOAD EXAMIANS APP
Inventions What plaything was invented by Joe McVicker in 1956? Lite-Brite Etch-A-Sketch Silly Putty Play-Doh Lite-Brite Etch-A-Sketch Silly Putty Play-Doh ANSWER DOWNLOAD EXAMIANS APP
Inventions What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent? Telephone Early Warning Television Electricity Telephone Early Warning Television Electricity ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first elevator built? 1739 1743 1785 1760 1739 1743 1785 1760 ANSWER DOWNLOAD EXAMIANS APP