d라이브러리
"as"(으)로 총 277건 검색되었습니다.- 잘못된 경종과학동아 199005
- They reported that the gyroscopes behaved alike in all respects, in whatever direction they spun, and that there was no significant weight loss under any condition. Another false alarm.Does all ...
- 우주적 위험과학동아 199005
- 2월에 있었던 미국과학진흥협회 모임에서 인간이 우주공간에서 살고 일하는 능력에 의문이 던져졌다.이 경우 악한은 우주선(線)이다.우주 ... of long-term exposure to zero gravity, such as steady bone demineralization and muscle atrophy. We can imagine a ...
- 작은 꼬인 빛 Tiny Twisty Light과학동아 199004
- technique can be entirely trusted.Nevertheless, such is the scientific frustration over this "mystery of the missing mass" that there is bound to be excitement over even the smallest step towar ...
- 국민학교 교육용컴퓨터 입찰파문과학동아 199004
- 국민학교에 컴퓨터가 보급 되므로, 물량면에서는 두 업체가 감당할 수 있지만 교육이나 AS면에서는 어차피 다른 업체들의 손을 빌려야 하기 때문이다.이번 교육용 컴퓨터 입찰파동의 결과 퍼스널컴퓨터의 내수가격은 10만~20만원 가량 하락할 것으로 예상된다 ... ...
- 1990년대의 과학과학동아 199003
- seem to come out of nowhere and that turn some branch of science topsy-turvy. The invention of the transistor in 1948 was such a breakthrough. However, breakthroughs, by definition, can't be pr ...
- 두 사람과학동아 199003
- seem to be 40,000 years old.If so, modern man collided with Neanderthal man, and the question is : What happened? The easy answer is that modern man's superior technology wiped out Neanderthal ...
- 그것은 유전자 안에 있다과학동아 199002
- years . but it is only about 8 billion years ago that organisms made up of many cells formed. Perhaps evolution has not yet perfected the system of producing and managing a combination of many ...
- 화성을 다시 찾다과학동아 199002
- 아마도, 정말 아마도 우리는 화성의 표면에 유기물질이 있다는 것을 발견했는지도 모른다. 그래서 화성에 생명이 있거나 한때 있었을 수 있다는 한가닥 희망을 ... farther down where the carbon-containing compounds may be concentrated. It is a pretty intriguing problem, an ...
- 경제교류가 가져오는 것 Business Leads The Way과학동아 199001
- trade and continues to make business more international helps to facilitate global thinking.This must make it easier to solve the world's problems if they are to be solved at all. Business, lik ...
- 지구가 너무 덥고 추웠을 때 When The Earth Was Too Hot and Too Cold과학동아 199001
- the oceans near the land are always richest in life, too, and with many continents there is more ocean-rim than there was with just one super-continent. So life today is better off… if only we ...
