منابع مشابه
VIEWPOINT Scattering Experiments Tease Out the
O ne of the fundamental challenges in nuclear physics is to predict the properties of subatomic matter from quantum chromodynamics (QCD)—the theory describing the strong force that confines quarks into protons and neutrons, and that binds protons and neutrons together. In other words, can QCD explain why subatomic matter is stable, how it comes into being, evolves, and organizes itself, and wha...
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Design Decisions Procedure Scatterplots are among the most common methods for exploring and presenting data, covering a wide range of tasks and designs. The variety of scatterplot designs has created a proliferation of potential design decisions to consider when constructing a scatterplot. However, there remain many unexamined assumptions in respect to the trade-offs between these decisions. He...
متن کاملTease or threat? Judging social interactions from bodily expressions
We casually observe many interactions that do not really concern us. Yet sometimes we need to be able to rapidly appraise whether an interaction between two people represents a real threat for one of them rather than an innocent tease. Using functional magnetic resonance imaging, we investigated whether small differences in the body language of two interacting people are picked up by the brain ...
متن کاملSuch a tease: intentional sexual provocation within heterosexual interactions.
Sexual teasing is a form of provocation characterized by the promise of sexual contact followed by withdrawal. The intention is to frustrate or cause tension in the target and incorporates some use of power of one person over another. To date, this form of interaction between individuals has received little research attention. A total of 742 undergraduate university students (143 men, 599 women...
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Associate Professor, Graduate Aeronautical laboratories, California Institute of Technology, Pasadena, Calif. The tip velocity of a crack propagating through a vi scoelastic material depends on geometry, apptied toad and its history , and material properties. A consideration of the work done by the unloading tractions at the crack tip shows that, f or a large crack propagating throitgh an infin...
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ژورنال
عنوان ژورنال: Nature
سال: 1993
ISSN: 0028-0836,1476-4687
DOI: 10.1038/363506a0