Problem: Please answer a question about the following article about Gramophone record:
The phonautograph, patented by Leon Scott in 1857, used a vibrating diaphragm and stylus to graphically record sound waves as tracings on sheets of paper, purely for visual analysis and without any intent of playing them back. In the 2000s, these tracings were first scanned by audio engineers and digitally converted into audible sound. Phonautograms of singing and speech made by Scott in 1860 were played back as sound for the first time in 2008. Along with a tuning fork tone and unintelligible snippets recorded as early as 1857, these are the earliest known recordings of sound.
What was the original intent of the phonautograph?
A: visual analysis
Problem: Please answer a question about the following article about Arnold Schwarzenegger:
Schwarzenegger's net worth had been conservatively estimated at $100$200 million. After separating from his wife, Maria Shriver, in 2011, it has been estimated that his net worth has been approximately $400 million, and even as high as $800 million, based on tax returns he filed in 2006. Over the years as an investor, he invested his bodybuilding and movie earnings in an array of stocks, bonds, privately controlled companies, and real estate holdings worldwide, making his net worth as an accurate estimation difficult to calculate, particularly in light of declining real estate values owing to economic recessions in the U.S. and Europe since the late 2000s. In June 1997, Schwarzenegger spent $38 million of his own money on a private Gulfstream jet. Schwarzenegger once said of his fortune, "Money doesn't make you happy. I now have $50 million, but I was just as happy when I had $48 million." He has also stated, "I've made many millions as a businessman many times over."
In what year did Schwarzenegger and Maria Shriver separate?
A: 2011
Problem: Please answer a question about the following article about Memory:
It should be noted that although 6-month-olds can recall information over the short-term, they have difficulty recalling the temporal order of information. It is only by 9 months of age that infants can recall the actions of a two-step sequence in the correct temporal order - that is, recalling step 1 and then step 2. In other words, when asked to imitate a two-step action sequence (such as putting a toy car in the base and pushing in the plunger to make the toy roll to the other end), 9-month-olds tend to imitate the actions of the sequence in the correct order (step 1 and then step 2). Younger infants (6-month-olds) can only recall one step of a two-step sequence. Researchers have suggested that these age differences are probably due to the fact that the dentate gyrus of the hippocampus and the frontal components of the neural network are not fully developed at the age of 6-months.
What age can an infabt recall steps in an order?
A: 9 months of age
Problem: Please answer a question about the following article about Gothic architecture:
By the 12th century, Romanesque architecture (termed Norman architecture in England because of its association with the Norman invasion), was established throughout Europe and provided the basic architectural forms and units that were to remain in evolution throughout the Medieval period. The important categories of building: the cathedral church, the parish church, the monastery, the castle, the palace, the great hall, the gatehouse, the civic building, had been established in the Romanesque period.
By the beginning of what century was the Romanesque style established all over Europe?
A:
the 12th century