D라이브러리

scale uses for which they will be ideal and it is quite possible they will be essential to computers and lasers of the future.(c)1990, Los Angeles Times Syndicate다이아몬드는 아주 여러 면에서 이미 슈퍼(초강력) 물질이므로 더욱 강한 슈퍼다이아몬드의 가능성은 존재하지 않을는지 모른다. 그러나 1990년 7월에 뉴욕주의 체넥타디에 ...

out : IBM.It's a marvelous example of delicate scientific technique, but is it of any use? Right now, it isn't. In the future, though, it may become possible to manipulate single atoms in such a way as to form substances built up of specific combinations("molecules") of atoms, substances that cannot be formed by ordinary chemical means.In addition, it may be that the microchips that make our ...

everything. A new dawn of creativity may begin to envelop the world in the 1990s.Of course, the true interest in future developments of science lies in the "breakthroughs"-sudden discoveries that 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 ...

analysis may tell us just when the strains will give at certain points and then we can build a real picture of future earthquake distribution in both time and space, and take the best action to avoid major damage.To those who think that space projects are a waste of money that could be spent more usefully on "down-to-Earth" problems, we can ask : What can be more down-to-Earth than what I have ...

the general trend is upward. If this happens, I imagine that people will forget again, until a year comes in the near future that is even worse than 1988.But what can we do about the problem? To begin with, we must cut down on the burning of coal and oil. Such burning constantly pours carbon dioxide into the atmosphere(along with pollutants such as sulfur and nitrogen compounds that also act ...

있는 것이다.Now that we are back on track with the shuttle, where do we go from here? It's important to have our future in space planned, for the road is an expensive one and we cannot afford to flouder.One obvious dream goal is that of a manned flight to Mars and its satellites. If we accomplish this, we will explore a world that is not too far away and that in some ways is like the ...

of running a vacuum cleaner over it, so to speak. Unfortunately, there doesn't seem any way, in the foreseeable future, of working up an efficient and affordable space-cleaning system.(c) 1988, Los Angeles Times ...

knowledge and this is seized on eagerly.It is not just astrology, There are those who pretend to be able to tell the future by reading palms, or tea leaves, or by dealing with numerology, There are those who try to ensure good luck by carrying rabbits' feet, or horseshoes or "lucky coins." People knock wood and use various other methods of warding off misfortune. All of these silly ...

관련기사 다음 128p)It looks as though every mathematician's favorite unsolved problem may be solved in the near future. Notice that I say 'may'.Let's begin by seeing what the unsolved (since the 17th Century) Problem is. In mathematics, a square number is one that is the product of an integer multiplied by itself. Thus 9 is a square number because it is the product of 3 times 3. Again, ...