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- 쓰레기과학동아 l1992년 09호
- the Dutch word for channel. Some day the city barges will be turned away from Staten Island, unless we really want another Mount Everest looming beside the Verrazano narrows.Landfills are probl ...
- 아라크네의 자식들과학동아 l1992년 09호
- limp capture threads. The moth sticks to the thread, which breaks at one end, dangling the stuck moth until the spider notices and comes in for the kill.Spiders breathe air through their trache ...
- 밝은 성단(星團)과학동아 l1992년 08호
- massive center, and with young cluster stars due to suffer supernova explosions.Well, let's face it. The universe is not a calm and peaceful place. Whatever we human products of the universe ac ...
- 기막힌 풀러렌과학동아 l1992년 08호
- a whole chemical family of fullerenes.For instance, buckyballs of carbon 60 give film optical properties that are not linearly dependent on the intensity of the light. Instead of slowly getting ...
- 머리좋은 생물들과학동아 l1992년 07호
- to perform complex maneuvers. Second, the cephalopod eye possesses an image-perceiving retina similar to-although not identical to-ours.Octopi are ingenious at finding ways out of captivity, ev ...
- 오늘날의 로봇과학동아 l1992년 07호
- and even many doctors, are good at this. Machines are not.Soon robotic devices may be equipped with an optical, not an electronic visual system. The optics are complex, using laser beam ...
- 좋은 소음, 나쁜소음과학동아 l1992년 06호
- Many animals make and respond to sounds we cannot. Small animals hear and produce higher sound frequencies that we can not sense. To kill or drive away house mice and cockroaches, some g ...
- 단백질의 위력과학동아 l1992년 06호
- 단백질은 과히 신통치 않게 들리는 단어로서 영양분을 연상시킨다. 우리는 단백질과 많은 탄수화물과 약간의 지방질을 섭취해야 한다. 사람들은 ... proteins or DNA, he answered proteins.Understanding those proteins will help humanity delve further into the mysteries ...
- 멀리있는 실상과학동아 l1992년 05호
- the same side of red. But what matters is that the universe is beautiful.Beauty - of color, pattern and meaning - is not only in the eye of the beholder, but in the way the eyes are used and au ...
- 협동과학동아 l1992년 05호
- As nation-states bicker with each other or break up into dickering splinters, and as political parties fight with one another and -especially in a big election year - within their own ranks, it ...
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