Alexander Graham Bell

0:03 Calarugus Shark Media. Hi, I'm Mark Ellison and today's theme is Alexander Graham Bell's birthday. The telephone, communication and Inventions that changed the world. Question one. Tech enthusiasts often mark Alexander Graham Bell's birthday to celebrate the origins of modern telecommunication. On what date was Bell born? Question two? In Boston in eighteen seventy six, Alexander Graham Bell made the first successful telephone transmission to his assistant Thomas Watson. What exact words did Bell say in that historic moment? Question three?

0:46 In audio and telecom engineering, which unit most commonly encountered as the decibel is named in honor of Alexander Graham Bell. Question four? Years before where radio became widespread, Bell and Charles Sumner Tainter transmitted speech using a beam of sunlight. What was this pioneering invention called? Question five? The ceremonial first transcontinental telephone call in nineteen fifteen linked America's East and West coasts. Which two cities did it connect. We'll be right back with these answers after this break. Welcome back.

1:33 Question one. What is Alexander Graham Bell's birth date? Answer? March third, eighteen forty seven. Bell was born in Edinburgh, Scotland, and later emigrated to North America, where he patented the telephone in eighteen seventy six. His work bridged speech science and engineering. Question two, What were Bell's first telephone words in eighteen seventy six? Answer mister Watson, come here, I want to see you, spoken on March tenth, eighteen seventy six. The words signaled the first clear, intelligible transfer of speech by wire. The experiment took place at Bell's lab on Court Street in Boston. Question three, Which unit, commonly the decibel, is named for Bell? Answer the bell and the decibel one bell equals ten decibels. The scale expresses ratios of power or intensity on a logarithmic basis. Decibels are widely used to measure sound levels in signal gain or loss.

2:26 Question four. What was Bell's lightbeam speech device called? Answer? The photophone? Invented in eighteen eighty. The photophone sent audio by modulating light, and Bell considered it his greatest invention. It foreshadowed technologies like fiber optic communication. Question five, which cities were linked by the first transcontinental call in nineteen fifteen? Answer? New York and San Francisco, made on January twenty fifth, nineteen fifteen. The call featured Bell in New York and Thomas Watson in San Francisco. It showcased long distance telephony made possible by repeaters and a coast to coast network. That concludes Today's five daily trivia questions. I'm Mark Ellison, and today's questions were crafted with the help of AI technology.

3:09 See you Tomorrow.