Inventions In which decade was the telegraph invented? 1890s 1810s 1870s 1840s 1890s 1810s 1870s 1840s ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1800s 1890s 1900s 1880s 1800s 1890s 1900s 1880s ANSWER DOWNLOAD EXAMIANS APP
Inventions What inspired reflecting road lights to be invented? The sun light on the windshield The light a cat's eyes gave off on a fence Car door reflecting mirrors Sun light on steel posts on road sides The sun light on the windshield The light a cat's eyes gave off on a fence Car door reflecting mirrors Sun light on steel posts on road sides ANSWER DOWNLOAD EXAMIANS APP
Inventions Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions, what musical instrument did he invent? Oboe Harmonium Clarinet Banjo Oboe Harmonium Clarinet Banjo ANSWER DOWNLOAD EXAMIANS APP
Inventions Who is the English physicist responsible for the 'Big Bang Theory'? George Gamow Roger Penrose Michael Skube Albert Einstein George Gamow Roger Penrose Michael Skube Albert Einstein ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bifocal Lens? Alfred B. Nobel Thomas Alva Edison Benjamin Franklin Rudolf Diesel Alfred B. Nobel Thomas Alva Edison Benjamin Franklin Rudolf Diesel ANSWER DOWNLOAD EXAMIANS APP
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