منابع مشابه
Wasting away.
The United States' waste stream is the most visible example of popular society's disregard for the earth. The environmental movement focused on curbing the array of crises we now face has been steadily growing since the 70's, however; the extent of its progress in many areas is questionable. Specific to mitigating the amount of garbage that plagues our communities and landfills, recycling progr...
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this book received such publicity at the time of its publication that there must be few who do not know what it is about. Briefly, it is the result of a four years study by a research team, headed by Dr. Pauline Morris, principal lecturer in Sociology at the Borough Polytechnic, London, of the physical, psychological and sociological environment which institutions provide for the mentally handi...
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This chapter introduces the Random Modulation Pre-Integrator (RMPI) and details the status of an integrated circuit implementing the architecture. To our knowledge, this is the first full-speed hardware RMPI in existence. The goal of this chapter is to describe some key parameters of the RMPI that are essential to its performance. This is not a hardware chapter and does not go into detail of th...
متن کاملTake-away Games
Several authors have considered take-away games where the players alternately remove a positive number of counters from a single pile, the player removing the last counter being the winner. On his initial move, the first player may remove any number of counters, so long as he leaves at least one. On each subsequent move, a player may remove at most f(n) counters, where n is the number of counte...
متن کاملSafety of Nuclear Reactors
Nuclear reactors have, during the first twenty years of their existence, achieved an impressive safety record, possibly exceeding that of any comparable industry. As revealed in apaper byHenriB. Smets of the European Nuclear Energy Agency, there have been recorded during this period of time but six fatalities and less than 30 persons seriously irradiated from reactor accidents. Three of the fat...
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ژورنال
عنوان ژورنال: Nature
سال: 1980
ISSN: 0028-0836,1476-4687
DOI: 10.1038/285354a0