منابع مشابه
Half a gram – a thousand lives
The article presents information on the latest drug policy change in the Russian Criminal Code: a decrease of the drug threshold amounts for which possession can lead to a criminal liability. Also, the article presents an assessment of the 2003-2004 liberal revisions in the Criminal Code, and an analysis of the background/premise for the 2006 counter-reform. The author examines the new criteria...
متن کاملA thousand lives: telling stories with computer games
Computer games are becoming the default entertainment medium of the XXI century. Fueled by an expanding market which is close to the gross income of Hollywood blockbusters, and ubiquitous in our technological world, via the mobile phone, the game console, or the PC, computer games are also reshaping the ways we understand the old art of narration. In this paper I will present an approach to pos...
متن کاملNuclear Binding and Half-Lives
Nuclear Forces. Protons give the nucleus of an atom a net positive charge. So, why doesn’t the nucleus explode? Nuclear stability is possible because the particles in the nucleus are each tiny magnets, and magnets can be arranged to attract one another. When the particles inside the nucleus have specific locations, the forces from electrical charge can be in balance with the magnetic forces fro...
متن کاملHalf-Lives of EigenFlows for Spectral Clustering
Using a Markov chain perspective of spectral clustering we present an algorithm to automatically find the number of stable clusters in a dataset. The Markov chain’s behaviour is characterized by the spectral properties of the matrix of transition probabilities, from which we derive eigenflows along with their halflives. An eigenflow describes the flow of probability mass due to the Markov chain...
متن کاملNoncharacteristic half-lives in radioactive decay.
Half-lives of radionuclides span more than 50 orders of magnitude. We characterize the probability distribution of this broad-range data set at the same time that we explore a method for fitting power laws and testing goodness-of-fit. It is found that the procedure proposed recently by Clauset et al. [SIAM Rev. 51, 661 (2009)] does not perform well as it rejects the power-law hypothesis even fo...
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ژورنال
عنوان ژورنال: Harm Reduction Journal
سال: 2008
ISSN: 1477-7517
DOI: 10.1186/1477-7517-5-22