Inventions When were bar code scanners invented? 1940s 1960s 1970s 1950s 1940s 1960s 1970s 1950s ANSWER DOWNLOAD EXAMIANS APP
Inventions Who is the English physicist responsible for the 'Big Bang Theory'? George Gamow Michael Skube Albert Einstein Roger Penrose George Gamow Michael Skube Albert Einstein Roger Penrose ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? Betatron Nuclear reactor X ray machine Cyclotron Betatron Nuclear reactor X ray machine Cyclotron ANSWER DOWNLOAD EXAMIANS APP
Inventions What 'game' was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892? Monopoly Ouija board Frisbee Ping Pong Monopoly Ouija board Frisbee Ping Pong ANSWER DOWNLOAD EXAMIANS APP
Inventions What groovy item was invented by Englishman Edward Craven Walker in 1963? Eight-track tape deck Lava lamp Hot comb Leisure suit Eight-track tape deck Lava lamp Hot comb Leisure suit ANSWER DOWNLOAD EXAMIANS APP
Inventions Which insurance salesman invented the fountain pen in 1884? Sir William Grove Lewis Edson Waterman George Fountain Charles Kettering Sir William Grove Lewis Edson Waterman George Fountain Charles Kettering ANSWER DOWNLOAD EXAMIANS APP