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- 모두를 위한 남극과학동아 l199307
- is analyzed for its content of oxygen, nutrients and pollutants, and its temperature and currents are monitored. Of special importance is Antarctica's weddell sea, a huge inlet which has a grea ...
- 가상현실과학동아 l199305
- will be able to operate from outside the operating room. VR remote control technique will make it possible for specialists scattered around the world to provide medical and surgical help to any ...
- 체온저하증과학동아 l199301
- ice crystals will permanently damage cellular structure. Unlike mammals, turtles and other freezable animals have special biochemical reactions to protect against cellular damage of freezing. B ...
- 과학평론과학동아 l199112
- currents, which help it find its prey.When the time comes for the female platypus to produce young, she builds a special burrow, which she lines with grass and carefully plugs. She then lays tw ...
- 천랑성의 색깔과학동아 l199110
- entire situation.Then, there is still another possibility. Sirius was, in ancient Egyptian times, considered to be a special star whose appearance in the sky was of great importance. The priest ...
- 로봇 곤충들과학동아 l199012
- to one form of life or another. Why not make a flood of tiny robots(which I think of as "robettes") designed to do specialized jobs a la insects?Brooks suggests that small robots may be given j ...
- 없앨 수 없는 것(플라스틱)과학동아 l198912
- are standing in your cupboard. In other words, we would want plastics to be biodegradable only after they have been specially treated.It is possible to prepare plastics that are biodegradable o ...
- 녹색 식물의 탄생 How Green Plants Began?과학동아 l198909
- cells that specialized in protein production, and so on.In particular, chloroplasts were once bacterial cells that specialized in the use of sunlight for energy. Such organisms still exi ...
- 컴퓨터가 블랙홀의 정체 밝혀과학동아 l198905
- 때문이다. 이처럼 중력장의 개념이 빠진 시공간을 다루는 상대론을 우리는 '특수상대론'(special relativity)라고 부른다. 여기서 '특수'란 말은 중력이 없는 특수한 경우를 의미하는 것으로 해석할 수 있다. 상대론의 나머지 부분을 '일반상대론'(general relativity)이라고부르는것 역시 이 개념에 모순되지 ... ...
- 우주여행의 방향은?과학동아 l198901
- sta-tions that make use of solar energy and relay it to Earth; automated factories that would take advantage of the special properties of space, and help lift the pall of industry and pollution ...
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