• 바퀴벌레와 컴퓨터

    과학동아 1992년 04호

    to me, given the little I know about cockroaches and computers. My original remark was prompted by fond memories of Don Marquis' famous ... and may well lay 1,000 eggs. Cockroaches are found almost any place where humans can live. However unintelligent, cockroaches are successful. So are computers.I use a computer but still suspect there's an Archy inside, so I called my brother-in-law, a ...

  • The Park Phenomenon 공원현상

    과학동아 1992년 03호

    Some say that Central park is over-wooded, the trees not thinned out as they were meant to be. My wife and I like lots of trees, possibly because we came from ... inside a city dweller, a park - especially Central Park - is a place of respite with scenery to rest the eyes and mind, its air seeming less polluted, richer in oxygen. Olmstead planted trees around the park's perimeter to screen ...

  • 인류최초의 발견─불의 사용

    과학동아 1989년 03호

    it. They carried a burning branch gingerly to some convenient place, sheltered it, fed the fire more fuel, and kept it burning.At ... it died out, bequeathed to us the use of fire. Not likely, in my opinion, but just maybe.(c) 1988, Los Angeles Times ...

  • 산불의 냉각효과

    산불의 냉각효과

    과학동아 1989년 02호

    of such tidal waves and widespread fires having taken place at the time.Moreover, there would have have been so much dust ... universal starvation as a cold darkness fell across the world.My own feeling is that we face a clear choice. The word must live in peace, or it won't live at all.(c) 1988, Los Angeles Times ...

  • 우리는 지금 몇 살인가?

    과학동아 1988년 06호

    ancestors as long as 250,000 years ago. At some time and some place, some Neanderthals underwent the minor evolutionary change ... they may have been less agile.Or the moderns may have been more ingenious. My own favorite theory is that modern man invented long-distance weapons, such as slings or bows arrows, with which to attack the Neanderthals from a distance and thus aviod the dangers of ...