id stringlengths 24 24 | question stringlengths 1 270 | answer stringlengths 1 239 | documents listlengths 1 1 |
|---|---|---|---|
56df93a338dc421700152079 | In what war did Wilber and Bailey fight together? | Civil War | [
"Alexander_Graham_Bell\n\nThe patent examiner, Zenas Fisk Wilber, later stated in an affidavit that he was an alcoholic who was much in debt to Bell's lawyer, Marcellus Bailey, with whom he had served in the Civil War. He claimed he showed Gray's patent caveat to Bailey. Wilber also claimed (after Bell arrived in W... |
56df93a338dc42170015207a | How much did Wilber say Bell gave him in order to look at Gray's paperwork? | $100 | [
"Alexander_Graham_Bell\n\nThe patent examiner, Zenas Fisk Wilber, later stated in an affidavit that he was an alcoholic who was much in debt to Bell's lawyer, Marcellus Bailey, with whom he had served in the Civil War. He claimed he showed Gray's patent caveat to Bailey. Wilber also claimed (after Bell arrived in W... |
56df93a338dc42170015207b | What did Bell only admit to knowing in a letter? | technical details | [
"Alexander_Graham_Bell\n\nThe patent examiner, Zenas Fisk Wilber, later stated in an affidavit that he was an alcoholic who was much in debt to Bell's lawyer, Marcellus Bailey, with whom he had served in the Civil War. He claimed he showed Gray's patent caveat to Bailey. Wilber also claimed (after Bell arrived in W... |
56df94574a1a83140091eb74 | From what city did Bell send his first message? | Mount Pleasant | [
"Alexander_Graham_Bell\n\nContinuing his experiments in Brantford, Bell brought home a working model of his telephone. On August 3, 1876, from the telegraph office in Mount Pleasant five miles (eight km) away from Brantford, Bell sent a tentative telegram indicating that he was ready. With curious onlookers packed ... |
56df94574a1a83140091eb77 | Bell sent messages over wires hooked onto telegraph lines and what? | fences | [
"Alexander_Graham_Bell\n\nContinuing his experiments in Brantford, Bell brought home a working model of his telephone. On August 3, 1876, from the telegraph office in Mount Pleasant five miles (eight km) away from Brantford, Bell sent a tentative telegram indicating that he was ready. With curious onlookers packed ... |
56df94574a1a83140091eb78 | What did the group at the Bells house hear other people doing? | reading and singing | [
"Alexander_Graham_Bell\n\nContinuing his experiments in Brantford, Bell brought home a working model of his telephone. On August 3, 1876, from the telegraph office in Mount Pleasant five miles (eight km) away from Brantford, Bell sent a tentative telegram indicating that he was ready. With curious onlookers packed ... |
56df96344a1a83140091eb86 | How much did Bell et al. try to sell his patent for? | $100,000 | [
"Alexander_Graham_Bell\n\nBell and his partners, Hubbard and Sanders, offered to sell the patent outright to Western Union for $100,000. The president of Western Union balked, countering that the telephone was nothing but a toy. Two years later, he told colleagues that if he could get the patent for $25 million he ... |
56df96344a1a83140091eb87 | Who did Bell et al. try to sell his patent to? | Western Union | [
"Alexander_Graham_Bell\n\nBell and his partners, Hubbard and Sanders, offered to sell the patent outright to Western Union for $100,000. The president of Western Union balked, countering that the telephone was nothing but a toy. Two years later, he told colleagues that if he could get the patent for $25 million he ... |
56df96344a1a83140091eb88 | What did the President think the telephone was, such that he refused to buy the patent? | a toy | [
"Alexander_Graham_Bell\n\nBell and his partners, Hubbard and Sanders, offered to sell the patent outright to Western Union for $100,000. The president of Western Union balked, countering that the telephone was nothing but a toy. Two years later, he told colleagues that if he could get the patent for $25 million he ... |
56df96344a1a83140091eb89 | How much the the President of Western Union want to pay for the patent later on? | $25 million | [
"Alexander_Graham_Bell\n\nBell and his partners, Hubbard and Sanders, offered to sell the patent outright to Western Union for $100,000. The president of Western Union balked, countering that the telephone was nothing but a toy. Two years later, he told colleagues that if he could get the patent for $25 million he ... |
56df973238dc421700152096 | In what city was the 1876 Centennial Exposition? | Philadelphia | [
"Alexander_Graham_Bell\n\nBell began a series of public demonstrations and lectures to introduce the new invention to the scientific community as well as the general public. A short time later, his demonstration of an early telephone prototype at the 1876 Centennial Exposition in Philadelphia brought the telephone ... |
56df973238dc421700152097 | What important person saw the telephone at the Centennial Exposition? | Emperor Pedro II | [
"Alexander_Graham_Bell\n\nBell began a series of public demonstrations and lectures to introduce the new invention to the scientific community as well as the general public. A short time later, his demonstration of an early telephone prototype at the 1876 Centennial Exposition in Philadelphia brought the telephone ... |
56df973238dc421700152098 | Pedro II was the Emperor of what Country? | Brazil | [
"Alexander_Graham_Bell\n\nBell began a series of public demonstrations and lectures to introduce the new invention to the scientific community as well as the general public. A short time later, his demonstration of an early telephone prototype at the 1876 Centennial Exposition in Philadelphia brought the telephone ... |
56df973238dc42170015209a | Which Queen did Bell present his invention to? | Victoria | [
"Alexander_Graham_Bell\n\nBell began a series of public demonstrations and lectures to introduce the new invention to the scientific community as well as the general public. A short time later, his demonstration of an early telephone prototype at the 1876 Centennial Exposition in Philadelphia brought the telephone ... |
56df97b838dc4217001520a0 | In what year was the Bell Telephone Company founded? | 1877 | [
"Alexander_Graham_Bell\n\nThe Bell Telephone Company was created in 1877, and by 1886, more than 150,000 people in the U.S. owned telephones. Bell Company engineers made numerous other improvements to the telephone, which emerged as one of the most successful products ever. In 1879, the Bell company acquired Edison... |
56df97b838dc4217001520a1 | How many people in the United States had a telephone by 1886? | 150,000 | [
"Alexander_Graham_Bell\n\nThe Bell Telephone Company was created in 1877, and by 1886, more than 150,000 people in the U.S. owned telephones. Bell Company engineers made numerous other improvements to the telephone, which emerged as one of the most successful products ever. In 1879, the Bell company acquired Edison... |
56df97b838dc4217001520a2 | In what year did Bell get some of Edison's patents? | 1879 | [
"Alexander_Graham_Bell\n\nThe Bell Telephone Company was created in 1877, and by 1886, more than 150,000 people in the U.S. owned telephones. Bell Company engineers made numerous other improvements to the telephone, which emerged as one of the most successful products ever. In 1879, the Bell company acquired Edison... |
56df97b838dc4217001520a3 | What addition let people stop yelling into the telephone? | carbon microphone | [
"Alexander_Graham_Bell\n\nThe Bell Telephone Company was created in 1877, and by 1886, more than 150,000 people in the U.S. owned telephones. Bell Company engineers made numerous other improvements to the telephone, which emerged as one of the most successful products ever. In 1879, the Bell company acquired Edison... |
56df97b838dc4217001520a4 | What company did Bell acquire the carbon microphone from? | Western Union | [
"Alexander_Graham_Bell\n\nThe Bell Telephone Company was created in 1877, and by 1886, more than 150,000 people in the U.S. owned telephones. Bell Company engineers made numerous other improvements to the telephone, which emerged as one of the most successful products ever. In 1879, the Bell company acquired Edison... |
56df983d38dc4217001520aa | In what month and year did Bell telephone across the country? | January 1915 | [
"Alexander_Graham_Bell\n\nIn January 1915, Bell made the first ceremonial transcontinental telephone call. Calling from the AT&T head office at 15 Dey Street in New York City, Bell was heard by Thomas Watson at 333 Grant Avenue in San Francisco. The New York Times reported:"
] |
56df983d38dc4217001520ab | What company office did Bell make the original cross country phone call from? | AT&T | [
"Alexander_Graham_Bell\n\nIn January 1915, Bell made the first ceremonial transcontinental telephone call. Calling from the AT&T head office at 15 Dey Street in New York City, Bell was heard by Thomas Watson at 333 Grant Avenue in San Francisco. The New York Times reported:"
] |
56df983d38dc4217001520ac | What city did Bell make the first cross country call from? | New York | [
"Alexander_Graham_Bell\n\nIn January 1915, Bell made the first ceremonial transcontinental telephone call. Calling from the AT&T head office at 15 Dey Street in New York City, Bell was heard by Thomas Watson at 333 Grant Avenue in San Francisco. The New York Times reported:"
] |
56df983d38dc4217001520ad | What city did Bell make the first cross country call to? | San Francisco | [
"Alexander_Graham_Bell\n\nIn January 1915, Bell made the first ceremonial transcontinental telephone call. Calling from the AT&T head office at 15 Dey Street in New York City, Bell was heard by Thomas Watson at 333 Grant Avenue in San Francisco. The New York Times reported:"
] |
56df983d38dc4217001520ae | Who was on the other end of the first cross country phone call? | Thomas Watson | [
"Alexander_Graham_Bell\n\nIn January 1915, Bell made the first ceremonial transcontinental telephone call. Calling from the AT&T head office at 15 Dey Street in New York City, Bell was heard by Thomas Watson at 333 Grant Avenue in San Francisco. The New York Times reported:"
] |
56df98d938dc4217001520b4 | During how many years did the Bell Company battle lawsuits? | 18 | [
"Alexander_Graham_Bell\n\nAs is sometimes common in scientific discoveries, simultaneous developments can occur, as evidenced by a number of inventors who were at work on the telephone. Over a period of 18 years, the Bell Telephone Company faced 587 court challenges to its patents, including five that went to the U... |
56df98d938dc4217001520b5 | How many times were Bell's patents contested? | 587 | [
"Alexander_Graham_Bell\n\nAs is sometimes common in scientific discoveries, simultaneous developments can occur, as evidenced by a number of inventors who were at work on the telephone. Over a period of 18 years, the Bell Telephone Company faced 587 court challenges to its patents, including five that went to the U... |
56df98d938dc4217001520b6 | How many of the court cases wound up at the Supreme Court? | 5 | [
"Alexander_Graham_Bell\n\nAs is sometimes common in scientific discoveries, simultaneous developments can occur, as evidenced by a number of inventors who were at work on the telephone. Over a period of 18 years, the Bell Telephone Company faced 587 court challenges to its patents, including five that went to the U... |
56df98d938dc4217001520b8 | Elisha Gray and what other man were behind many of the court cases? | Amos Dolbear | [
"Alexander_Graham_Bell\n\nAs is sometimes common in scientific discoveries, simultaneous developments can occur, as evidenced by a number of inventors who were at work on the telephone. Over a period of 18 years, the Bell Telephone Company faced 587 court challenges to its patents, including five that went to the U... |
56df9ad738dc4217001520c6 | In 1887 the US Government wanted to undo Bell's patent due to fraud and what? | misrepresentation | [
"Alexander_Graham_Bell\n\nOn January 13, 1887, the U,S. Government moved to annul the patent issued to Bell on the grounds of fraud and misrepresentation. After a series of decisions and reversals, the Bell company won a decision in the Supreme Court, though a couple of the original claims from the lower court case... |
56df9ad738dc4217001520c7 | The US Government lost the bid to overturn Bell's patent in what court? | Supreme Court | [
"Alexander_Graham_Bell\n\nOn January 13, 1887, the U,S. Government moved to annul the patent issued to Bell on the grounds of fraud and misrepresentation. After a series of decisions and reversals, the Bell company won a decision in the Supreme Court, though a couple of the original claims from the lower court case... |
56df9ad738dc4217001520c8 | How many years did Bell and the US Government fight in court? | 9 | [
"Alexander_Graham_Bell\n\nOn January 13, 1887, the U,S. Government moved to annul the patent issued to Bell on the grounds of fraud and misrepresentation. After a series of decisions and reversals, the Bell company won a decision in the Supreme Court, though a couple of the original claims from the lower court case... |
56df9ad738dc4217001520c9 | What excuse did the judges have for the trial despite the fact that the patents had expired? | precedent | [
"Alexander_Graham_Bell\n\nOn January 13, 1887, the U,S. Government moved to annul the patent issued to Bell on the grounds of fraud and misrepresentation. After a series of decisions and reversals, the Bell company won a decision in the Supreme Court, though a couple of the original claims from the lower court case... |
56df9ad738dc4217001520ca | On what date did the US Government stop legal action? | November 30, 1897 | [
"Alexander_Graham_Bell\n\nOn January 13, 1887, the U,S. Government moved to annul the patent issued to Bell on the grounds of fraud and misrepresentation. After a series of decisions and reversals, the Bell company won a decision in the Supreme Court, though a couple of the original claims from the lower court case... |
56df9dbd4a1a83140091eb98 | Who claimed to have invented the in 1834? | Antonio Meucci | [
"Alexander_Graham_Bell\n\nDuring a deposition filed for the 1887 trial, Italian inventor Antonio Meucci also claimed to have created the first working model of a telephone in Italy in 1834. In 1886, in the first of three cases in which he was involved, Meucci took the stand as a witness in the hopes of establishing... |
56df9dbd4a1a83140091eb99 | How many court trials did Meucci participate in? | 3 | [
"Alexander_Graham_Bell\n\nDuring a deposition filed for the 1887 trial, Italian inventor Antonio Meucci also claimed to have created the first working model of a telephone in Italy in 1834. In 1886, in the first of three cases in which he was involved, Meucci took the stand as a witness in the hopes of establishing... |
56df9dbd4a1a83140091eb9a | At what company were Meucci's prototypes supposedly lost? | American District Telegraph (ADT) | [
"Alexander_Graham_Bell\n\nDuring a deposition filed for the 1887 trial, Italian inventor Antonio Meucci also claimed to have created the first working model of a telephone in Italy in 1834. In 1886, in the first of three cases in which he was involved, Meucci took the stand as a witness in the hopes of establishing... |
56df9dbd4a1a83140091eb9b | In what year did Western Union absorb ADT? | 1901 | [
"Alexander_Graham_Bell\n\nDuring a deposition filed for the 1887 trial, Italian inventor Antonio Meucci also claimed to have created the first working model of a telephone in Italy in 1834. In 1886, in the first of three cases in which he was involved, Meucci took the stand as a witness in the hopes of establishing... |
56df9dbd4a1a83140091eb9c | What event caused Meucci's trials to be dropped? | death | [
"Alexander_Graham_Bell\n\nDuring a deposition filed for the 1887 trial, Italian inventor Antonio Meucci also claimed to have created the first working model of a telephone in Italy in 1834. In 1886, in the first of three cases in which he was involved, Meucci took the stand as a witness in the hopes of establishing... |
56df9f954a1a83140091eba4 | Because of their patent, what didn't Siemens & Halske have to give Bell? | royalties | [
"Alexander_Graham_Bell\n\nThe value of the Bell patent was acknowledged throughout the world, and patent applications were made in most major countries, but when Bell had delayed the German patent application, the electrical firm of Siemens & Halske (S&H) managed to set up a rival manufacturer of Bell telephones un... |
56df9f954a1a83140091eba5 | What was the home city for the International Bell Telephone Company? | Brussels | [
"Alexander_Graham_Bell\n\nThe value of the Bell patent was acknowledged throughout the world, and patent applications were made in most major countries, but when Bell had delayed the German patent application, the electrical firm of Siemens & Halske (S&H) managed to set up a rival manufacturer of Bell telephones un... |
56df9f954a1a83140091eba6 | In what year was the International Bell Telephone Company founded? | 1880 | [
"Alexander_Graham_Bell\n\nThe value of the Bell patent was acknowledged throughout the world, and patent applications were made in most major countries, but when Bell had delayed the German patent application, the electrical firm of Siemens & Halske (S&H) managed to set up a rival manufacturer of Bell telephones un... |
56dfa0414a1a83140091ebac | Who did Bell marry in 1877? | Mabel Hubbard | [
"Alexander_Graham_Bell\n\nOn July 11, 1877, a few days after the Bell Telephone Company was established, Bell married Mabel Hubbard (1857–1923) at the Hubbard estate in Cambridge, Massachusetts. His wedding present to his bride was to turn over 1,487 of his 1,497 shares in the newly formed Bell Telephone Company. S... |
56dfa0414a1a83140091ebad | How many children did Bell and Mabel have? | 4 | [
"Alexander_Graham_Bell\n\nOn July 11, 1877, a few days after the Bell Telephone Company was established, Bell married Mabel Hubbard (1857–1923) at the Hubbard estate in Cambridge, Massachusetts. His wedding present to his bride was to turn over 1,487 of his 1,497 shares in the newly formed Bell Telephone Company. S... |
56dfa0414a1a83140091ebae | Where did Bell and his wife go on their honeymoon? | Europe | [
"Alexander_Graham_Bell\n\nOn July 11, 1877, a few days after the Bell Telephone Company was established, Bell married Mabel Hubbard (1857–1923) at the Hubbard estate in Cambridge, Massachusetts. His wedding present to his bride was to turn over 1,487 of his 1,497 shares in the newly formed Bell Telephone Company. S... |
56dfa0414a1a83140091ebb0 | Before 1897, what did Bell get most of his money from? | lectures | [
"Alexander_Graham_Bell\n\nOn July 11, 1877, a few days after the Bell Telephone Company was established, Bell married Mabel Hubbard (1857–1923) at the Hubbard estate in Cambridge, Massachusetts. His wedding present to his bride was to turn over 1,487 of his 1,497 shares in the newly formed Bell Telephone Company. S... |
56dfa0c238dc421700152130 | In what year did Mabel's father move to Washington D.C.? | 1880 | [
"Alexander_Graham_Bell\n\nThe Bell family home was in Cambridge, Massachusetts, until 1880 when Bell's father-in-law bought a house in Washington, D.C., and later in 1882 bought a home in the same city for Bell's family, so that they could be with him while he attended to the numerous court cases involving patent d... |
56dfa0c238dc421700152131 | In what year did Bell acquire a house in D.C.? | 1882 | [
"Alexander_Graham_Bell\n\nThe Bell family home was in Cambridge, Massachusetts, until 1880 when Bell's father-in-law bought a house in Washington, D.C., and later in 1882 bought a home in the same city for Bell's family, so that they could be with him while he attended to the numerous court cases involving patent d... |
56dfa0c238dc421700152133 | Where did Bell and Mabel live before 1880? | Cambridge, Massachusetts | [
"Alexander_Graham_Bell\n\nThe Bell family home was in Cambridge, Massachusetts, until 1880 when Bell's father-in-law bought a house in Washington, D.C., and later in 1882 bought a home in the same city for Bell's family, so that they could be with him while he attended to the numerous court cases involving patent d... |
56dfa0c238dc421700152134 | What did Bell have to go to court for in D.C.? | patent disputes | [
"Alexander_Graham_Bell\n\nThe Bell family home was in Cambridge, Massachusetts, until 1880 when Bell's father-in-law bought a house in Washington, D.C., and later in 1882 bought a home in the same city for Bell's family, so that they could be with him while he attended to the numerous court cases involving patent d... |
56dfa18f4a1a83140091ebca | In what year did Bell officially become an American? | 1882 | [
"Alexander_Graham_Bell\n\nBell was a British subject throughout his early life in Scotland and later in Canada until 1882, when he became a naturalized citizen of the United States. In 1915, he characterized his status as: \"I am not one of those hyphenated Americans who claim allegiance to two countries.\" Despite... |
56dfa18f4a1a83140091ebcb | What was Bell's original nationality? | British | [
"Alexander_Graham_Bell\n\nBell was a British subject throughout his early life in Scotland and later in Canada until 1882, when he became a naturalized citizen of the United States. In 1915, he characterized his status as: \"I am not one of those hyphenated Americans who claim allegiance to two countries.\" Despite... |
56dfa18f4a1a83140091ebcd | Besides the US and UK, what other country claims Bell as a citizen? | Canada | [
"Alexander_Graham_Bell\n\nBell was a British subject throughout his early life in Scotland and later in Canada until 1882, when he became a naturalized citizen of the United States. In 1915, he characterized his status as: \"I am not one of those hyphenated Americans who claim allegiance to two countries.\" Despite... |
56dfa18f4a1a83140091ebce | What does Bell call people who are citizens of two countries? | hyphenated | [
"Alexander_Graham_Bell\n\nBell was a British subject throughout his early life in Scotland and later in Canada until 1882, when he became a naturalized citizen of the United States. In 1915, he characterized his status as: \"I am not one of those hyphenated Americans who claim allegiance to two countries.\" Despite... |
56dfa2804a1a83140091ebe8 | What Island in Nova Scotia did the Bells go to in 1885? | Breton Island | [
"Alexander_Graham_Bell\n\nBy 1885, a new summer retreat was contemplated. That summer, the Bells had a vacation on Cape Breton Island in Nova Scotia, spending time at the small village of Baddeck. Returning in 1886, Bell started building an estate on a point across from Baddeck, overlooking Bras d'Or Lake. By 1889,... |
56dfa2804a1a83140091ebe9 | In 1886, what lake did Bell start building a house near? | Bras d'Or | [
"Alexander_Graham_Bell\n\nBy 1885, a new summer retreat was contemplated. That summer, the Bells had a vacation on Cape Breton Island in Nova Scotia, spending time at the small village of Baddeck. Returning in 1886, Bell started building an estate on a point across from Baddeck, overlooking Bras d'Or Lake. By 1889,... |
56dfa2804a1a83140091ebea | What did the Bells call the house completed in 1889? | The Lodge | [
"Alexander_Graham_Bell\n\nBy 1885, a new summer retreat was contemplated. That summer, the Bells had a vacation on Cape Breton Island in Nova Scotia, spending time at the small village of Baddeck. Returning in 1886, Bell started building an estate on a point across from Baddeck, overlooking Bras d'Or Lake. By 1889,... |
56dfa2804a1a83140091ebec | How many people worked for the Bell Boatyard? | 40 | [
"Alexander_Graham_Bell\n\nBy 1885, a new summer retreat was contemplated. That summer, the Bells had a vacation on Cape Breton Island in Nova Scotia, spending time at the small village of Baddeck. Returning in 1886, Bell started building an estate on a point across from Baddeck, overlooking Bras d'Or Lake. By 1889,... |
56dfa545231d4119001abc3d | Where did the Bells live when the Halifax Explosion happened? | Beinn Bhreagh | [
"Alexander_Graham_Bell\n\nUntil the end of his life, Bell and his family would alternate between the two homes, but Beinn Bhreagh would, over the next 30 years, become more than a summer home as Bell became so absorbed in his experiments that his annual stays lengthened. Both Mabel and Bell became immersed in the B... |
56dfa545231d4119001abc3e | On what day did the Halifax Explosion happen? | December 6, 1917 | [
"Alexander_Graham_Bell\n\nUntil the end of his life, Bell and his family would alternate between the two homes, but Beinn Bhreagh would, over the next 30 years, become more than a summer home as Bell became so absorbed in his experiments that his annual stays lengthened. Both Mabel and Bell became immersed in the B... |
56dfa545231d4119001abc3f | Which of their two homes did the Bells start spending more time as Bell aged? | Beinn Bhreagh | [
"Alexander_Graham_Bell\n\nUntil the end of his life, Bell and his family would alternate between the two homes, but Beinn Bhreagh would, over the next 30 years, become more than a summer home as Bell became so absorbed in his experiments that his annual stays lengthened. Both Mabel and Bell became immersed in the B... |
56dfa545231d4119001abc40 | What city adopted the Bells? | Baddeck | [
"Alexander_Graham_Bell\n\nUntil the end of his life, Bell and his family would alternate between the two homes, but Beinn Bhreagh would, over the next 30 years, become more than a summer home as Bell became so absorbed in his experiments that his annual stays lengthened. Both Mabel and Bell became immersed in the B... |
56dfa545231d4119001abc41 | What did the Bells do to help the victims in Halifax? | mobilized the community | [
"Alexander_Graham_Bell\n\nUntil the end of his life, Bell and his family would alternate between the two homes, but Beinn Bhreagh would, over the next 30 years, become more than a summer home as Bell became so absorbed in his experiments that his annual stays lengthened. Both Mabel and Bell became immersed in the B... |
56dfa5ca7aa994140058df86 | What series of books does Gray say Bell would go to sleep reading? | Encyclopædia Britannica | [
"Alexander_Graham_Bell\n\nAlthough Alexander Graham Bell is most often associated with the invention of the telephone, his interests were extremely varied. According to one of his biographers, Charlotte Gray, Bell's work ranged \"unfettered across the scientific landscape\" and he often went to bed voraciously read... |
56dfa5ca7aa994140058df87 | How many solo patents did Bell get? | 18 | [
"Alexander_Graham_Bell\n\nAlthough Alexander Graham Bell is most often associated with the invention of the telephone, his interests were extremely varied. According to one of his biographers, Charlotte Gray, Bell's work ranged \"unfettered across the scientific landscape\" and he often went to bed voraciously read... |
56dfa5ca7aa994140058df88 | How many patents did Bell co-author? | 12 | [
"Alexander_Graham_Bell\n\nAlthough Alexander Graham Bell is most often associated with the invention of the telephone, his interests were extremely varied. According to one of his biographers, Charlotte Gray, Bell's work ranged \"unfettered across the scientific landscape\" and he often went to bed voraciously read... |
56dfa6747aa994140058df8f | What famous lab did Bell spend time working for? | Volta | [
"Alexander_Graham_Bell\n\nBell worked extensively in medical research and invented techniques for teaching speech to the deaf. During his Volta Laboratory period, Bell and his associates considered impressing a magnetic field on a record as a means of reproducing sound. Although the trio briefly experimented with t... |
56dfa6747aa994140058df90 | What type of energy did Bell investigate at the Volta Laboratory? | magnetic | [
"Alexander_Graham_Bell\n\nBell worked extensively in medical research and invented techniques for teaching speech to the deaf. During his Volta Laboratory period, Bell and his associates considered impressing a magnetic field on a record as a means of reproducing sound. Although the trio briefly experimented with t... |
56dfa6747aa994140058df91 | The magnetic field is part of what sort of recorder? | tape recorder | [
"Alexander_Graham_Bell\n\nBell worked extensively in medical research and invented techniques for teaching speech to the deaf. During his Volta Laboratory period, Bell and his associates considered impressing a magnetic field on a record as a means of reproducing sound. Although the trio briefly experimented with t... |
56dfa7277aa994140058df9f | What form of water played a part in Bell's home cooling system? | ice | [
"Alexander_Graham_Bell\n\nBell's own home used a primitive form of air conditioning, in which fans blew currents of air across great blocks of ice. He also anticipated modern concerns with fuel shortages and industrial pollution. Methane gas, he reasoned, could be produced from the waste of farms and factories. At ... |
56dfa7277aa994140058dfa0 | What did Bell think could be collected from farm and factory byproduct? | Methane gas | [
"Alexander_Graham_Bell\n\nBell's own home used a primitive form of air conditioning, in which fans blew currents of air across great blocks of ice. He also anticipated modern concerns with fuel shortages and industrial pollution. Methane gas, he reasoned, could be produced from the waste of farms and factories. At ... |
56dfa7277aa994140058dfa1 | What kind of toilet did Bell work on? | composting | [
"Alexander_Graham_Bell\n\nBell's own home used a primitive form of air conditioning, in which fans blew currents of air across great blocks of ice. He also anticipated modern concerns with fuel shortages and industrial pollution. Methane gas, he reasoned, could be produced from the waste of farms and factories. At ... |
56dfa7277aa994140058dfa2 | Right before his death, what kind of energy did he speculate about? | solar | [
"Alexander_Graham_Bell\n\nBell's own home used a primitive form of air conditioning, in which fans blew currents of air across great blocks of ice. He also anticipated modern concerns with fuel shortages and industrial pollution. Methane gas, he reasoned, could be produced from the waste of farms and factories. At ... |
56dfae017aa994140058dfd1 | What did Bell call his cord-free phone? | photophone | [
"Alexander_Graham_Bell\n\nBell and his assistant Charles Sumner Tainter jointly invented a wireless telephone, named a photophone, which allowed for the transmission of both sounds and normal human conversations on a beam of light. Both men later became full associates in the Volta Laboratory Association."
] |
56dfae017aa994140058dfd2 | Who did Bell invent the cord-free phone with? | Charles Sumner Tainter | [
"Alexander_Graham_Bell\n\nBell and his assistant Charles Sumner Tainter jointly invented a wireless telephone, named a photophone, which allowed for the transmission of both sounds and normal human conversations on a beam of light. Both men later became full associates in the Volta Laboratory Association."
] |
56dfae017aa994140058dfd3 | What did Bell's cord-free phone use to transmit messages? | light | [
"Alexander_Graham_Bell\n\nBell and his assistant Charles Sumner Tainter jointly invented a wireless telephone, named a photophone, which allowed for the transmission of both sounds and normal human conversations on a beam of light. Both men later became full associates in the Volta Laboratory Association."
] |
56dfae017aa994140058dfd4 | What lab association did Bell and Tainter both eventually join? | Volta Laboratory Association | [
"Alexander_Graham_Bell\n\nBell and his assistant Charles Sumner Tainter jointly invented a wireless telephone, named a photophone, which allowed for the transmission of both sounds and normal human conversations on a beam of light. Both men later became full associates in the Volta Laboratory Association."
] |
56dfae017aa994140058dfd5 | In the photophone, light carried sound and what? | normal human conversations | [
"Alexander_Graham_Bell\n\nBell and his assistant Charles Sumner Tainter jointly invented a wireless telephone, named a photophone, which allowed for the transmission of both sounds and normal human conversations on a beam of light. Both men later became full associates in the Volta Laboratory Association."
] |
56dfae9c7aa994140058dfdb | Bell and his assistant first used their photophone on what date? | June 21, 1880 | [
"Alexander_Graham_Bell\n\nOn June 21, 1880, Bell's assistant transmitted a wireless voice telephone message a considerable distance, from the roof of the Franklin School in Washington, D.C., to Bell at the window of his laboratory, some 213 metres (700 ft) away, 19 years before the first voice radio transmissions."... |
56dfae9c7aa994140058dfdc | How many feet did the first photophone message travel? | 700 | [
"Alexander_Graham_Bell\n\nOn June 21, 1880, Bell's assistant transmitted a wireless voice telephone message a considerable distance, from the roof of the Franklin School in Washington, D.C., to Bell at the window of his laboratory, some 213 metres (700 ft) away, 19 years before the first voice radio transmissions."... |
56dfae9c7aa994140058dfde | From what building was the first photophone message sent? | Franklin School | [
"Alexander_Graham_Bell\n\nOn June 21, 1880, Bell's assistant transmitted a wireless voice telephone message a considerable distance, from the roof of the Franklin School in Washington, D.C., to Bell at the window of his laboratory, some 213 metres (700 ft) away, 19 years before the first voice radio transmissions."... |
56dfae9c7aa994140058dfdf | How many years after this photophone message would the first message take place over radio? | 19 | [
"Alexander_Graham_Bell\n\nOn June 21, 1880, Bell's assistant transmitted a wireless voice telephone message a considerable distance, from the roof of the Franklin School in Washington, D.C., to Bell at the window of his laboratory, some 213 metres (700 ft) away, 19 years before the first voice radio transmissions."... |
56dfafa2231d4119001abc6f | What did Bell call the best thing he ever made? | The photophone | [
"Alexander_Graham_Bell\n\nBell believed the photophone's principles were his life's \"greatest achievement\", telling a reporter shortly before his death that the photophone was \"the greatest invention [I have] ever made, greater than the telephone\". The photophone was a precursor to the fiber-optic communication... |
56dfafa2231d4119001abc70 | Bell thought the photophone was better than what famous invention? | telephone | [
"Alexander_Graham_Bell\n\nBell believed the photophone's principles were his life's \"greatest achievement\", telling a reporter shortly before his death that the photophone was \"the greatest invention [I have] ever made, greater than the telephone\". The photophone was a precursor to the fiber-optic communication... |
56dfafa2231d4119001abc71 | What modern technology takes the next step from the photophone? | fiber-optic communication | [
"Alexander_Graham_Bell\n\nBell believed the photophone's principles were his life's \"greatest achievement\", telling a reporter shortly before his death that the photophone was \"the greatest invention [I have] ever made, greater than the telephone\". The photophone was a precursor to the fiber-optic communication... |
56dfafa2231d4119001abc72 | When was fiber-optics first patented? | 1880 | [
"Alexander_Graham_Bell\n\nBell believed the photophone's principles were his life's \"greatest achievement\", telling a reporter shortly before his death that the photophone was \"the greatest invention [I have] ever made, greater than the telephone\". The photophone was a precursor to the fiber-optic communication... |
56dfafa2231d4119001abc73 | In what decade did fiber-optics become widely used? | 1980s | [
"Alexander_Graham_Bell\n\nBell believed the photophone's principles were his life's \"greatest achievement\", telling a reporter shortly before his death that the photophone was \"the greatest invention [I have] ever made, greater than the telephone\". The photophone was a precursor to the fiber-optic communication... |
56dfb0e97aa994140058dfe5 | What did Bell create in 1881? | metal detector | [
"Alexander_Graham_Bell\n\nBell is also credited with developing one of the early versions of a metal detector in 1881. The device was quickly put together in an attempt to find the bullet in the body of U.S. President James Garfield. According to some accounts, the metal detector worked flawlessly in tests but did ... |
56dfb0e97aa994140058dfe6 | What was in James Garfield that they wanted to get out? | bullet | [
"Alexander_Graham_Bell\n\nBell is also credited with developing one of the early versions of a metal detector in 1881. The device was quickly put together in an attempt to find the bullet in the body of U.S. President James Garfield. According to some accounts, the metal detector worked flawlessly in tests but did ... |
56dfb0e97aa994140058dfe7 | What did Bell think was wrong with the bed, which prevented his machine from finding the bullet? | metal bed frame | [
"Alexander_Graham_Bell\n\nBell is also credited with developing one of the early versions of a metal detector in 1881. The device was quickly put together in an attempt to find the bullet in the body of U.S. President James Garfield. According to some accounts, the metal detector worked flawlessly in tests but did ... |
56dfb0e97aa994140058dfe8 | On which run did Bell's metal detector give a small indication? | first | [
"Alexander_Graham_Bell\n\nBell is also credited with developing one of the early versions of a metal detector in 1881. The device was quickly put together in an attempt to find the bullet in the body of U.S. President James Garfield. According to some accounts, the metal detector worked flawlessly in tests but did ... |
56dfb0e97aa994140058dfe9 | When did Bell's metal detector work well? | in tests | [
"Alexander_Graham_Bell\n\nBell is also credited with developing one of the early versions of a metal detector in 1881. The device was quickly put together in an attempt to find the bullet in the body of U.S. President James Garfield. According to some accounts, the metal detector worked flawlessly in tests but did ... |
56dfb3687aa994140058dfef | Bell gave his story about trying to find the bullet to the American Association for the Advancement of what? | Science | [
"Alexander_Graham_Bell\n\nBell's own detailed account, presented to the American Association for the Advancement of Science in 1882, differs in several particulars from most of the many and varied versions now in circulation, most notably by concluding that extraneous metal was not to blame for failure to locate th... |
56dfb3687aa994140058dff0 | Where did Bell go the day after trying to find the bullet? | Executive Mansion | [
"Alexander_Graham_Bell\n\nBell's own detailed account, presented to the American Association for the Advancement of Science in 1882, differs in several particulars from most of the many and varied versions now in circulation, most notably by concluding that extraneous metal was not to blame for failure to locate th... |
56dfb3687aa994140058dff1 | What kind of mattress was the President directly on? | horse-hair | [
"Alexander_Graham_Bell\n\nBell's own detailed account, presented to the American Association for the Advancement of Science in 1882, differs in several particulars from most of the many and varied versions now in circulation, most notably by concluding that extraneous metal was not to blame for failure to locate th... |
56dfb3687aa994140058dff3 | Where did Bell indicate that the bullet was too deep for his machine to register? | footnote | [
"Alexander_Graham_Bell\n\nBell's own detailed account, presented to the American Association for the Advancement of Science in 1882, differs in several particulars from most of the many and varied versions now in circulation, most notably by concluding that extraneous metal was not to blame for failure to locate th... |
56dfb42e7aa994140058dff9 | Who wrote the paper laying out hydrofoils and hydroplanes? | William E. Meacham | [
"Alexander_Graham_Bell\n\nThe March 1906 Scientific American article by American pioneer William E. Meacham explained the basic principle of hydrofoils and hydroplanes. Bell considered the invention of the hydroplane as a very significant achievement. Based on information gained from that article he began to sketch... |
56dfb42e7aa994140058dffa | What nationality was Meacham? | American | [
"Alexander_Graham_Bell\n\nThe March 1906 Scientific American article by American pioneer William E. Meacham explained the basic principle of hydrofoils and hydroplanes. Bell considered the invention of the hydroplane as a very significant achievement. Based on information gained from that article he began to sketch... |
56dfb42e7aa994140058dffb | What did Bell start drawing after reading the article? | hydrofoil boat | [
"Alexander_Graham_Bell\n\nThe March 1906 Scientific American article by American pioneer William E. Meacham explained the basic principle of hydrofoils and hydroplanes. Bell considered the invention of the hydroplane as a very significant achievement. Based on information gained from that article he began to sketch... |
56dfb42e7aa994140058dffc | Who helped Bell investigate hydrofoils in 1908? | Frederick W. "Casey" Baldwin | [
"Alexander_Graham_Bell\n\nThe March 1906 Scientific American article by American pioneer William E. Meacham explained the basic principle of hydrofoils and hydroplanes. Bell considered the invention of the hydroplane as a very significant achievement. Based on information gained from that article he began to sketch... |
56dfb42e7aa994140058dffd | Which Italian scientist did Baldwin draw inspiration from? | Enrico Forlanini | [
"Alexander_Graham_Bell\n\nThe March 1906 Scientific American article by American pioneer William E. Meacham explained the basic principle of hydrofoils and hydroplanes. Bell considered the invention of the hydroplane as a very significant achievement. Based on information gained from that article he began to sketch... |
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