Word: invention
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Dates: during 1990-1999
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MICROCHIP In 1958 Jack Kilby and Robert Noyce independently invent the microchip...
...went on to trump even that achievement by showing that this galaxy-studded cosmos is expanding--inflating majestically like an unimaginably gigantic balloon--a finding that prompted Albert Einstein to acknowledge and retract what he called "the greatest blunder of my life." Hubble did nothing less, in short, than invent the idea of the universe and then provide the first evidence for the Big Bang theory, which describes the birth and evolution of the universe. He discovered the cosmos, and in doing so founded the science of cosmology...
...more valuable for children than achieving meteorological orthodoxy; and if their theories are always greeted by "Nice try, but this is how it really is..." they might give up after a while on making theories. As Piaget put it, "Children have real understanding only of that which they invent themselves, and each time that we try to teach them something too quickly, we keep them from reinventing it themselves...
TRANSISTOR William Shockley, Walter Brattain and John Bardeen invent the transistor at Bell Labs...
...Teams in Germany and Britain independently invent radar...