History of the microchip The first microchip 19.___________(PRODUCE) in 1974, and two men are credited with having the original idea. In 1958, engineer Jack Kilby had joined a…

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• 19. was produced
  • Это предложение в страдательном залоге в простом прошлом: "The first microchip" подлежащее, действие выполняется кем-то (не упоминается). Строка естественно звучит как "The first microchip was produced in 1974.".
• 20. would become
  • Конструкция после "for what" вводит относительное придаточное, которое относится к будущему событию относительно прошлого контекста. Здесь речь о том, что идея впоследствии стала тем, что "would become the microchip in the future." Используем будущее в прошлом: would become.
• 21. awarded
  • Простое прошедшее время активного залога: "the patent office awarded the first patent" — нормальная форма после сказуемого "In 1961, the patent office".
• 22. are looking
  • Настоящее продолженное время (present continuous) для действия, которое происходит сейчас/в настоящий момент описания. "That's why now scientists are looking under Lake Baikal."
• 23. them
  • После предлога "According to" обычно ставится объектный падеж местоимения: "According to them,".
• 24. would be
  • В косвенной речи будущее время обычно передаётся как would be. Исходная мысль: "the result will be available" → в форме передачи речи: "the result would be available."

Итоговый заполненный текст (с восполненными формами) The first microchip was produced in 1974, and two men are credited with having the original idea. In 1958, engineer Jack Kilby had joined a company called Texas Instruments. Because he hadn't accrued as much holiday time as his colleagues, he found himself alone in the lab with time on his hands. It was then that he conjured up the idea for what would become the microchip in the future. But in California, another man had a similar idea. In January of 1959, Robert Noyce conceived the idea for a whole circuit which could be made on a single chip. In 1961, the patent office awarded the first patent for an integrated circuit to Robert Noyce while Kilby's application was still being analysed. But both men are now acknowledged as having independently conceived the original idea.

Russian scientists deploy giant telescope beneath Lake Baikal The telescope, Baikal-GVD, is designed to search for neutrinos, which are nearly massless subatomic particles with no electrical charge. Neutrinos are everywhere, but they interact so weakly with the forces around them that it is challenging to detect. That's why now scientists are looking under Lake Baikal, which is the deepest lake on Earth. Scientists deployed the detector on the 13th of March, 2021. According to them, the result would be available quite soon.