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Rudolf Diesel thought of an engine which is inherently more efficient than the steam engines of the end-nineteenth century, for providing motive power in a distributed way. His intense perseverance, spread over a decade, led to the engines of today which bear his name.
It is now part of folklore that eliciting information on sensitive matters is riddled with nonresponse or untruthful response. Typically respondents fear that the traditional methods based on direct response do not protect their privacy. This fear results in nonresponse or untruthful response. We introduce in this article ingenious methods based on Randomized Response techniques. Such methods instill...
In this section of Resonance, we invite readers to pose questions likely to be raised in a classroom situation. We may suggest strategies for dealing with them, or invite responses, or both. “Classroom” is equally a forum for raising broader issues and sharing personal experiences and viewpoints on matters related to teaching and learning science.
The feeling of being in motion, while observing a moving train passing nearby is a common experience. It is an example of relative motion where a stationary observer experiences an illusory motion caused by a vehicle moving in the opposite direction. It is however counter-intuitive to imagine periodic changes in the direction of relative motion, while the vehicle continues to move in one direction...
Aging, a progressive deterioration of the physical functions necessary for survival and fertility, resulting from deleterious changes, is one of the most fundamental features of Eukaryotes. Bacteria are thought to be examples of organisms that do not age. They divide by binary fission, which is assumed to be a symmetrical division, such that both daughter cells produced from the parent bacterium have...
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