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Search results 1421 - 1430 of 2278 matching essays
- 1421: BLACK HOLES
- ... we assume there must be a black hole that it is in orbit with. The first scientists to really take an in depth look at black holes and the collapsing of stars, were a professor, Robert Oppenheimer and his student Hartland Snyder, in the early nineteen hundreds. They concluded on the basis of Einstein's theory of relativity that if the speed of light was the utmost speed over any massive ...
- 1422: Mars
- ... that rise high in the atmosphere or swirl around the slopes of towering volcanoes. Local patches of early morning fog can form in valleys. At the Viking Lander 2 site, a thin layer of water frost covered the ground each winter. There is evidence that in the past a denser Martian atmosphere may have allowed water to flow on the planet. Physical features closely resembling shorelines, gorges, riverbeds and islands suggest ...
- 1423: Acid Rain
- ... weaken and poisons it with toxic substances that are slowly released from the soil (EPA). When the trees weaken from the acid, it has a harder time fighting off adversaries such as fungi, diseases, and frost so subsequently it dies. Around the 1970s the acid rain dilemma got worse, the acid rain has put trees in danger and now they are starting to die off. The effects of acid rain on ...
- 1424: Geomorphic
- ... although Fargo is not located in low latitude, Fargo has the highest value of mean NPP. That high value of mean NPP is caused by high water availability and good soil conditions. Work Cited Cristopherson, Robert W., 2000, Elemental Geosystem, Third Edition, Prentice Hall, Upper Saddle River, New Jersey, Morris, Scott; Kipfmueller Kurt, 2000, data paper
- 1425: Nucular War
- ... and tested by the Manhattan Project, a big United States enterprise that was established in August 1942, during World War II. It was made by a group scientist including the physicists Enrico Fermi and J. Robert Oppenheimer, and the chemist Harold Urey, and was in charge by an U.S. Army engineer, Major General Lesle Groves. After the war, the U.S. Atomic Energy Commission became in charge of all nuclear ...
- 1426: Nuclear Proliferation
- ... problem. So to conclude my essay and the question is that the status of nuclear weapons right now looks very bleak. Bibliography Achieving Deeper Reductions in Nuclear Arsenals.[Online]Available http://ftp.uscusa.org Einhorn, Robert J. The Nuclear Roundtable.[Online]Available http://www.stimson.org/rd-table/jul97-ru.htm, October 4, 1998 Paddock, Richard C.. Russia s nukes: Fear proliferates.[Online]Available http://www2.thestar.com, October 8, 1998 ...
- 1427: Mars 3
- ... that rise high in the atmosphere or swirl around the slopes of towering volcanoes. Local patches of early morning fog can form in valleys. At the Viking Lander 2 site, a thin layer of water frost covered the ground each winter. There is evidence that in the past a denser Martian atmosphere may have allowed water to flow on the planet. Physical features closely resembling shorelines, gorges, riverbeds and islands suggest ...
- 1428: Managing Information Systems
- ... cutting edge research (Pfeiffer 31). But it is also seen that this new Internet will still have to be rebuilt again as it too is beginning to get filled up with users. Works Cited Bork, Robert. A Predatory Monopoly. Wall Street Journal 8 November 1999: A50. Furger, Roberta. Washington tackles Internet law. PC World Sept. 1999: 33-34. Kristula, Dave. History of the Internet. Web Site Workstation March 1997: n. pag ...
- 1429: Lasers 4
- ... conceived in 1957. In that same patent the helium-neon was included. Bibliography: Bertolotti, M., Masers and lasers: An Historical Approach (1983); Kasuya, T., and Tsukakoshi, M., Handbook of Laser Science and Technology (1988); Meyers,Robert, ed., Encyclopedia of Lasers, 3d ed. (1989); Steen, W. M., ed., Lasers in Manufacturing (1989); Whimmery, J. R., ed., Lasers: Invention to Application (1987); Young, M., Optics and Lasers, 3d rev. ed. (1986).
- 1430: Hydroponics Growing Without Soil
- ... plants hydroponically. The work of Dr. Greicke in the 1920 s and 1930 s in California, however, is generally considered the basis for nearly all forms of hydroponics. During the 1940 s at Purdue University, Robert B. and Alice P. Withrow developed another hydroponic method. Their process was called Nutriculture. Nutriculture varied from Dr. Gericke s method in that gravel was used as a rooting medium. After World War II a ...
Search results 1421 - 1430 of 2278 matching essays
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