astronomers discovered the planet known as GJ 1214b a couple of years ago, they knew they had an oddball world on their hands. Whirling around a star some 40 light-years from Earth, GJ 1214b was about 2.7 times as wide as our home planet, with about 20 times the volume, making it a “super-Earth,” about midway in size between Earth and Neptune. As Zachory Berta, the Harvard grad student who ...
didn’t care that it was from Petrol Pirate’s Factory. Hannah Heart bought the suit and wore it out of the store. A couple days later, Hannah Heart noticed she was itching a lot. Dr. Pollution’s special chemical was scratching the itchy areas, she noticed hair on her feet and the hair on her arms was no longer than normal. 초록마을에 다시 평화가 찾아와 기분이 무척 ...
= c/2 = d.Step 2.Having replaced the goal with (0, 1, c-1), I am going to do some magic, i.e., I am going to produce a couple of numbers without explaining why I want these two and no others. The only reason I may give is that after I played with the puzzle with capacities 3, 5, 8 and then with 5, 7, 12, I noticed something that allowed me to form a very plausible, general conjecture which ...
Many folksin New Orleans decide that a hurricane warning is a great time for a vacation to Dallas or St.Louis for a couple of days.They batten down the house,pack up,and head out.The second type of resident here is the family that never wants to leave their home under any circumstances.May be your momma lives around the corner and she refuses to leave her home,so you figure you need to hang ...
sons of Jacob had to go to Egypt to buy grain-there was always grain in Egypt. Of course, the fertile strip was just a couple of miles on either side of the Nile River. Toward the mouth of the Nile, the river spread out into a triangle of many streams which made up the fertile Nile delta (so-called because it had a triangular shape like the Greek letter, "delta.") Nowadays all river mouths are ...
Bonaparte and Adolf Hitler. However, in the present age of missiles, isolation is not possible for any nation and in a couple of years the tunnel will be completed and in operation.But now various Japanese businessmen have established the "Global Infrastructure Fund Research Foundation of Japan," which is working out engineering dreams of its own.For instance, there is the old silk route that ...
s appearance from the diagrams that were made of it, from a few skeletons that exist, from one surviving head and a couple of surviving feet.Its looks are best recalled from the dodo that appears as a character in Chapter 3 of Lewis Carroll's "Alice in Wonderland. " John Tenniel, the famous illustrator, had it appear in two of his drawings, especially the one in which the dodo is handing ...
once in a while, some scientist comes up with something totally unexpecteted and it turns out to be accurate.Thus, a couple of years ago, substances were found which were superconductive at unusually high temperatures. This sounded completely unbelievable, but it turned out to be true.(C) 1990, Los Angeles Times ...
effect" has become familiar and people are listening. However, temperatures go up and down irregularly and the next couple of years are liable to be a little cooler than 1988 even though 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, ...
것임은 틀림없지만 시스팀이 지상의 원자력발전과는 전혀 다르다. 열전대(熱電對·thermo-couple·기전력과 전류와의 관계를 이용하여 높은 온도를 재는 장치)나 열전자발전소자(熱電子発電素子)에 의한 직접 발전이다.1963년 가을에 소련에서 최초로 개발된 위성용 원자로는 '로마슈카'로 명명되었으며 ...
동아사이언스
디라이브러리
DS스토어
팝콘플래닛
