Inventions In which decade was the first solid state integrated circuit demonstrated? 1980s 1970s 1960s 1950s 1980s 1970s 1960s 1950s ANSWER DOWNLOAD EXAMIANS APP
Inventions Which scientist discovered the radioactive element radium? Albert Einstein Isaac Newton Marie Curie Benjamin Franklin Albert Einstein Isaac Newton Marie Curie Benjamin Franklin ANSWER DOWNLOAD EXAMIANS APP
Inventions FROZEN FOOD - Who discovered the first practical method of freezing food? C. Birdsey G. Findus F. Rozenosh R. Scott C. Birdsey G. Findus F. Rozenosh R. Scott ANSWER DOWNLOAD EXAMIANS APP
Inventions When was Milk Tray first introduced? 1915 1923 1942 1934 1915 1923 1942 1934 ANSWER DOWNLOAD EXAMIANS APP
Inventions Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that? Hang glider Golf tee Water skis Motorboat Hang glider Golf tee Water skis Motorboat ANSWER DOWNLOAD EXAMIANS APP
Inventions For over 500 years, paper was only available and sold as single sheets. In 1902, an inventive Australian used half size sheets of paper, a bit of glue and cardboard to create the what? Telephone Book Calendar Notepad Notice Board Telephone Book Calendar Notepad Notice Board ANSWER DOWNLOAD EXAMIANS APP