d라이브러리
"light"(으)로 총 168건 검색되었습니다.
- 먼지의 영향과학동아 l199304
- especially in the central region. This disease is caused by fungus spores carried in dust. Victims can have a light upper or middle respiratory infection, pneumonia, or a progressive and more ...
- 러시아 「인공 달」의 정체과학동아 l199303
- 환경영향평가를 반드시 해야 한다는 데에는 모두 동감한다.이 계획에는 '뉴라이트'(New light)라는 이름이 붙여져 있다. 이 실험반사경계획(experimental reflector program)의 감독인 세바스티아노프(Nikolay N. Sevastianov)는 "이런 유형의 조사(照射)는 지구환경에 특별한 부담을 주지 않을 것이며 현재 ...
- 21세기를 체험하며 배운다과학동아 l199301
- 2백70도를 돌아야 승강기 앞에 이른다. 이 동안에 감상할 전시물은 '라이팅 아트'(lighting art)가 연출해내는 빛의 예술. 라이팅 아트란 반사 굴절 간섭 회절 등 빛의 과학적 성질을 활용하여 환상적인 모습을 연출하는 현대 표현예술의 한 분야다. 92년 세비아 박람회의 일본관에서는 라이팅 아트를 ... ...
- 낮과 밤의 리듬과학동아 l199301
- before being plowed under again, but that brief time is enough. When farmers plow at night, even under artificial lighting, only half as many weeds germinate.So perhaps it's best to pay attenti ...
- 맨틀과 핵과학동아 l199212
- was formed about 4,600 million years ago from condensation of gas and dust clouds. As the gas and dust ball grew, the light stuff collected outside as atmosphere while the heavy stuff mashed to ...
- '파이어니어'와의 안녕과학동아 l199212
- first proposed by the Greek Heracleides in 350 B.C. The particular phases of Venus meant it was shining by reflected light from the sun, and doing it in such a way that Venus had to be circlin ...
- Out Of The Sun 태양으로부터과학동아 l199211
- we may have the answer to a fundamental question about the universe-how will it end? Umpteen megabillions of slightly "weighty" neutrinos would provide enough "critical mass" in the universe t ...
- Frog-And More In Space 우주공간에서의 개구리과학동아 l199211
- newts (Notophthalmus viridescens) respond to the Earth's magnetic fields by using photoreceptors, a process called "light-dependent magnetoreception."In the secretions from many amphibian skins ...
- 더 많은 복제과학동아 l199210
- replicating molecules that co-exist and help each other's replication. Exposure of one of the molecules to ultraviolet light caused a "mutation" that enabled it to replicate more often. The mut ...
- 블랙 홀 탱고과학동아 l199210
- is a black hole.The latest black hole candidate found in our galaxy is in the binary system V404 Cygni, 5,000 light years from Earth. In 1938 a visible star there had gone nova, and in 1989 pro ...
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