input: One of de Forest's areas of research at Federal Telegraph was improving the reception of signals, and he came up with the idea of strengthening the audio frequency output from a grid Audion by feeding it into a second tube for additional amplification. He called this a "cascade amplifier", which eventually consisted of chaining together up to three Audions. At this time the American Telephone and Telegraph Company was researching ways to amplify telephone signals to provide better long-distance service, and it was recognized that de Forest's device had potential as a telephone line repeater. In mid-1912 an associate, John Stone Stone, contacted AT&T to arrange for de Forest to demonstrate his invention. It was found that de Forest's "gassy" version of the Audion could not handle even the relatively low voltages used by telephone lines. (Due to the way he constructed the tubes, de Forest's Audions would cease to operate with too high a vacuum.) However, careful research by Dr. Harold D. Arnold and his team at AT&T's Western Electric subsidiary determined that by improving the tube's design, it could be more fully evacuated, and the high vacuum allowed it to successfully operate at telephone line voltages. With these changes the Audion evolved into a modern electron-discharge vacuum tube, using electron flows rather than ions. (Dr. Irving Langmuir at the General Electric Corporation made similar findings, and both he and Arnold attempted to patent the "high vacuum" construction, but the U.S. Supreme Court ruled in 1931 that this modification could not be patented). After a delay of ten months, in July 1913 AT&T, through a third party who disguised his link to the telephone company, purchased the wire rights to seven Audion patents for $50,000. De Forest had hoped for a higher payment, but was again in bad financial shape and was unable to bargain for more. In 1915, AT&T used the innovation to conduct the first transcontinental telephone calls, in conjunction with the Panama-Pacific International Exposition at San Francisco.

Answer this question "was audio frequency amplification something he studied about?"
output: One of de Forest's areas of research at Federal Telegraph was improving the reception of signals,

Problem: Background: Narendra Damodardas Modi (Gujarati: ['n@re:ndr@ da:mo:d@r'da:s 'mo:di:] ( listen); born 17 September 1950) is an Indian politician serving as the 16th and current Prime Minister of India since 2014. He was the Chief Minister of Gujarat from 2001 to 2014, and is the Member of Parliament for Varanasi.
Context: As Chief Minister, Modi favoured privatisation and small government, which was at odds with the philosophy of the RSS, usually described as anti-privatisation and anti-globalisation. His policies during his second term have been credited with reducing corruption in the state. He established financial and technology parks in Gujarat and during the 2007 Vibrant Gujarat summit, real-estate investment deals worth Rs6.6 trillion were signed. The governments led by Patel and Modi supported NGOs and communities in the creation of groundwater-conservation projects. By December 2008, 500,000 structures had been built, of which 113,738 were check dams, which helped recharge the aquifers beneath them. Sixty of the 112 tehsils which had depleted the water table in 2004 had regained their normal groundwater levels by 2010. As a result, the state's production of genetically modified cotton increased to become the largest in India. The boom in cotton production and its semi-arid land use led to Gujarat's agricultural sector growing at an average rate of 9.6 percent from 2001 to 2007. Public irrigation measures in central and southern Gujarat, such as the Sardar Sarovar Dam, were less successful. The Sardar Sarovar project only irrigated 4-6% of the area intended. Nonetheless, from 2001 to 2010 Gujarat recorded an agricultural growth rate of 10.97 percent - the highest of any state. However, sociologists have pointed out that the growth rate under the 1992-97 INC government was 12.9 percent. In 2008 Modi offered land in Gujarat to Tata Motors to set up a plant manufacturing the Nano after a popular agitation had forced the company to move out of West Bengal. Several other companies followed the Tata's to Gujarat. The Modi government finished the process of bringing electricity to every village in Gujarat that its predecessor had almost completed. Modi significantly changed the state's system of power distribution, greatly impacting farmers. Gujarat expanded the Jyotigram Yojana scheme, in which agricultural electricity was separated from other rural electricity; the agricultural electricity was rationed to fit scheduled irrigation demands, reducing its cost. Although early protests by farmers ended when those who benefited found that their electricity supply had stabilised, according to an assessment study corporations and large farmers benefited from the policy at the expense of small farmers and labourers.
Question: What was his next move
Answer: creation of groundwater-conservation projects.

Question: Mircea Eliade (Romanian: ['mirtSea eli'ade]; March 9 [O.S. February 24] 1907 - April 22, 1986) was a Romanian historian of religion, fiction writer, philosopher, and professor at the University of Chicago. He was a leading interpreter of religious experience, who established paradigms in religious studies that persist to this day. His theory that hierophanies form the basis of religion, splitting the human experience of reality into sacred and profane space and time, has proved influential.

In his work on the history of religion, Eliade is most highly regarded for his writings on Alchemy, Shamanism, Yoga and what he called the eternal return--the implicit belief, supposedly present in religious thought in general, that religious behavior is not only an imitation of, but also a participation in, sacred events, and thus restores the mythical time of origins. Eliade's thinking was in part influenced by Rudolf Otto, Gerardus van der Leeuw, Nae Ionescu and the writings of the Traditionalist School (Rene Guenon and Julius Evola). For instance, Eliade's The Sacred and the Profane partially builds on Otto's The Idea of the Holy to show how religion emerges from the experience of the sacred, and myths of time and nature. Eliade is known for his attempt to find broad, cross-cultural parallels and unities in religion, particularly in myths. Wendy Doniger, Eliade's colleague from 1978 until his death, has observed that "Eliade argued boldly for universals where he might more safely have argued for widely prevalent patterns". His Treatise on the History of Religions was praised by French philologist Georges Dumezil for its coherence and ability to synthesize diverse and distinct mythologies. Robert Ellwood describes Eliade's approach to religion as follows. Eliade approaches religion by imagining an ideally "religious" person, whom he calls homo religiosus in his writings. Eliade's theories basically describe how this homo religiosus would view the world. This does not mean that all religious practitioners actually think and act like homo religiosus. Instead, it means that religious behavior "says through its own language" that the world is as homo religiosus would see it, whether or not the real-life participants in religious behavior are aware of it. However, Ellwood writes that Eliade "tends to slide over that last qualification", implying that traditional societies actually thought like homo religiosus.

Using a quote from the above article, answer the following question: What did thinkers say of Eliade's ideas?
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Answer:
Eliade's theories basically describe how this homo religiosus would view the world.