Word: began
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Dates: during 1990-1999
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Hyman, who in his third term became the first popularly elected council president, began advocating anonymous HIV testing at UHS, voter registration and an ethnic studies program, along with bills for Springfest...
Only 70 years ago, the universe was found to be expanding, but now there is a model of how it began: the Big Bang. At the beginning, it is said, there was literally nothing ("the void" of Genesis), not even space. Then there came into being a tiny speck of superheated space that contained enough energy to create all the stars and galaxies that fill the sky-with enough left over to drive the expansion of the universe ever since...
There is something wrong, however, with this account of how the universe began. There is not nearly enough matter in the universe to match the predictions of the Big Bang, and our current list of the particles of matter is almost certainly incomplete. We need a more sophisticated view of what is meant by "empty space," which turns out not to be empty at all. There are also serious philosophical problems created by the Big Bang, which can be described but not explained. Worse, nobody has been able to reconcile quantum physics with the other great triumph of 20th century...
...Belgian astronomer and priest Georges Lemaitre proposes that the universe began with a big bang, the explosion of a highly condensed mass, which he refers to as a "cosmic...
Along the way, vital components began to shrink: the vacuum tube became the transistor; the transistor led to the microchip; the microchip married the phone and gave birth to the modem. Soon enough, sounds, photos, movies and conversations would be ground down into the smallest components of all: 1s and 0s. Was the digital revolution inevitable? In our brave new wired world, it certainly seems that...