Questões da Prova Exército - 2016 - IME - Aluno - Português e Inglês
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Texto 5
HIGH-TECH EAVESDROPPING ON THE GANGES RIVER DOLPHIN
SONAR SIGNALS HOLD CLUES THAT COULD SAVE AN ENDANGERED SPECIES
The Ganges river dolphin is one of only two remaining freshwater dolphin species on Earth. But pollution, fishing, and dams threaten to wipe it out entirely.
So acoustical engineer Harumi Sugimatsu and her team have deployed an experimental sonar monitoring system just under the surface of the murky water. The hope is to track the dolphins by the high-frequency clicks they use to navigate and hunt. By eavesdropping on their underwater lives, Sugimatsu believes she can gather data about their behavior and geographical range—data that conservationists can use in their struggle to keep the species from going extinct.
IEEE Spectrum. High-tech eavesdropping on the ganges river dolphin. In: IEEE Spectrum,
2016. Disponível em:<http://spectrum.ieee.org/video/green-tech/conservation/hightech-eavesdropping-on-the-ganges-river-dolphin>
Texto 5
HIGH-TECH EAVESDROPPING ON THE GANGES RIVER DOLPHIN
SONAR SIGNALS HOLD CLUES THAT COULD SAVE AN ENDANGERED SPECIES
The Ganges river dolphin is one of only two remaining freshwater dolphin species on Earth. But pollution, fishing, and dams threaten to wipe it out entirely.
So acoustical engineer Harumi Sugimatsu and her team have deployed an experimental sonar monitoring system just under the surface of the murky water. The hope is to track the dolphins by the high-frequency clicks they use to navigate and hunt. By eavesdropping on their underwater lives, Sugimatsu believes she can gather data about their behavior and geographical range—data that conservationists can use in their struggle to keep the species from going extinct.
IEEE Spectrum. High-tech eavesdropping on the ganges river dolphin. In: IEEE Spectrum,
2016. Disponível em:<http://spectrum.ieee.org/video/green-tech/conservation/hightech-eavesdropping-on-the-ganges-river-dolphin>
Texto 4
When he was 19, in 1898, Albert Einstein was refused a place at the Munich Technical Institute because he 'showed no promise'. Three years later, Einstein took Swiss citizenship and became an examiner at the Swiss Patent Office. In his spare time, he continued his study of physics and by 1905 had advanced so far that he was able to publish the first of his celebrated papers on the theory of relativity which earned worldwide fame.
In: I wish I’d never said that, Oxford, Past Times, 2001, p. 60.
Texto 3
Twelve years after the first Morse Code signal had been successfully transmitted across the Atlantic, an American inventor named Lee de Forest appeared in a US court charged with fraud. The case against him was that he had been selling shares in his Radio Telephone Company.
Putting his case before the jury, the prosecutor explained, 'De Forest has said in many newspapers and over his signature that it would be possible to transmit the human voice across the Atlantic before many years. Based on these absurd and deliberately misleading statements, the misguided public has been persuaded to purchase stocks in his company'.
Two years later, the first direct transatlantic speech relay by radio telephone was made. As for Lee de Forest, he patented more than 300 inventions and became known in America as the ‘father of radio’.
In: I wish I’d never said that, Oxford, Past Times, 2001, p. 61.
Texto 3
Twelve years after the first Morse Code signal had been successfully transmitted across the Atlantic, an American inventor named Lee de Forest appeared in a US court charged with fraud. The case against him was that he had been selling shares in his Radio Telephone Company.
Putting his case before the jury, the prosecutor explained, 'De Forest has said in many newspapers and over his signature that it would be possible to transmit the human voice across the Atlantic before many years. Based on these absurd and deliberately misleading statements, the misguided public has been persuaded to purchase stocks in his company'.
Two years later, the first direct transatlantic speech relay by radio telephone was made. As for Lee de Forest, he patented more than 300 inventions and became known in America as the ‘father of radio’.
In: I wish I’d never said that, Oxford, Past Times, 2001, p. 61.